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Journal articles on the topic 'Chitedze Agricultural Research Station'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Malunga, Innocent, Joyce J. Lelei, and Wilkson Makumba. "Effect of Mineral Nitrogen and Legume Intercrops on Maize (Zea Mays L.) Nitrogen Uptake, Nutrient Use Efficiency and Yields in Chitedze and Zomba, Malawi." Sustainable Agriculture Research 7, no. 1 (2017): 64. http://dx.doi.org/10.5539/sar.v7n1p64.

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Nitrogen (N) is the most critical plant nutrient. Maize has a high nitrogen demand. Low maize (Zea mays L.), yields in smallholder farms of Malawi, the country’s staple, is attributable to declining N fertility aggravated by the ever increasing price of fertilizer. Little effort has been made to establish the best nitrogen rate in a maize- cowpea and maize-bean intercrop under variable soil conditions as a way of improving production, and was the objective of the current study. Field experiments were conducted at Chitedze Agricultural Research Station in Lilongwe and Makoka Agricultural Research Station in Zomba during the 2016/17 growing season. A split plot layout in a randomized complete block design, with three replicates was used. The main plots were; sole maize, sole bean, sole cowpea, bean/maize and cowpea/maize intercrop systems. The sub plots were N fertilizer rates (0, 52.5, 78.75 and 105 kg N ha-1), applied as urea. The data collected was subjected to analysis of variance using SAS software version 9.3 (SAS Institute Inc.) at P<0.05. Means were separated using Duncan Multiple Range (DMRT) test at 95% significance level. The results showed that application of N increased maize N uptake and grain yield. NUE however decreased with increasing N fertilizer rate.

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2

Lark, R. M., I. S. Ligowe, C. Thierfelder, et al. "Longitudinal analysis of a long-term conservation agriculture experiment in Malawi and lessons for future experimental design." Experimental Agriculture 56, no. 4 (2020): 506–27. http://dx.doi.org/10.1017/s0014479720000125.

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AbstractResilient cropping systems are required to achieve food security in the presence of climate change, and so several long-term conservation agriculture (CA) trials have been established in southern Africa – one of them at the Chitedze Agriculture Research Station in Malawi in 2007. The present study focused on a longitudinal analysis of 10 years of data from the trial to better understand the joint effects of variations between the seasons and particular contrasts among treatments on yield of maize. Of further interest was the variability of treatment responses in time and space and the implications for design of future trials with adequate statistical power. The analysis shows treatment differences of the mean effect which vary according to cropping season. There was a strong treatment effect between rotational treatments and other treatments and a weak effect between intercropping and monocropping. There was no evidence for an overall advantage of systems where residues are retained (in combination with direct seeding or planting basins) over conventional management with respect to maize yield. A season effect was evident although the strong benefit of rotation in El Niño season was also reduced, highlighting the strong interaction between treatment and climatic conditions. The power analysis shows that treatment effects of practically significant magnitude may be unlikely to be detected with just four replicates, as at Chitedze, under either a simple randomised control trial or a factorial experiment. Given logistical and financial constraints, it is important to design trials with fewer treatments but more replicates to gain enough statistical power and to pay attention to the selection of treatments to given an informative outcome.

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3

Subrahmanyam, P. "New Hosts of the Parasitic Flowering Plant, Alectra vogelii, in Malawi." Plant Disease 85, no. 4 (2001): 442. http://dx.doi.org/10.1094/pdis.2001.85.4.442c.

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Alectra vogelii Benth. (Family: Scrophulariaceae) is a vascular hemiparasite of various leguminous crops in Africa, including peanut (Arachis hypogaea), bambara groundnut (Vigna subterranea), cowpea (Vigna unguiculata), common bean (Phaseolus vulgaris), soybean (Glycine max), and mung bean (Vigna radiata) (1). It is a common parasite of peanut in Angola, Burkina Faso, Malawi, Mozambique, Nigeria, Swaziland, Zambia, and Zimbabwe (2). During April and May 2000, A. vogelii was observed parasitizing several wild Arachis species in a field at the Chitedze Agricultural Research Station near Lilongwe, Malawi. These species were part of a germ plasm enhancement program that included A. appressipila (ICRISAT Groundnut Accession number [ICG] 8127), A. batizocoi (ICG 8124), A. benensis (ICG 13215), A. cardenasii (ICG 13164 and 13166), A. correntina (ICG 8918), A. duranensis (ICG 13200), A. helodes (ICG 8955 and 14917), A. hoehnei (ICG 13228), A. magna (ICG 8960), A. pintoi (ICG 13222 and 14914), A. stenosperma (ICG 13172 and 13223), and A. valida (ICG 13230). In addition, A. vogelii was observed on four unidentified Arachis species (ICG 13231, 14875, 14888, and 14907). Parasitized plants were less vigorous and connections between A. vogelii and host plants could be observed by carefully removing the soil in the root zone. Mature A. vogelii plants were 0.3 to 0.5 m and had multiple stems branching at the base. Subsoil plant parts were a deep orange color. Flowers were prominent lemon yellow with horseshoe-shaped stigmata and leaves were light green. This is the first report of A. vogelii parasitizing wild Arachis species. References: (1) C. Parker. Crop Prot. 10:6–22, 1991. (2) P. Subrahmanyam. 1997. Parasitic flowering plants. Pages 70–71 in: Compendium of Peanut Diseases, 2nd Ed. N. Kokalis-Burelle, D. M. Porter, R. Rodriguez-Kabana, D. H. Smith, and P. Subrahmanyam, eds. American Phytopathological Society, St. Paul, MN.

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4

Debertin, David L., and Garnett L. Bradford. "Agricultural Economics Research and The Experiment Station System." Journal of Agricultural and Applied Economics 19, no. 2 (1987): 195–201. http://dx.doi.org/10.1017/s0081305200025462.

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AbstractThis paper discusses the role of agricultural economics research within the land-grant university system. Fundamental differences between research in the biological sciences and the social sciences are delineated. Implications of these differences for experiment station research programs are discussed. Recommendations are made which have potential for enhancing the role of agricultural economics within colleges of agriculture.

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5

EISAWY, GAMAL I. "CONSTRAINTS OF AGRICULTURAL TECHNOLOGY TRANSFER AS PERCEIVED BY RESEARCHERS IN SAKHA AGRICULTURAL RESEARCH STATION." Egyptian Journal of Agricultural Research 98, no. 3 (2020): 1189–215. http://dx.doi.org/10.21608/ejar.2020.177837.

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6

EISAWY, GAMAL I. "CONSTRAINTS OF AGRICULTURAL TECHNOLOGY TRANSFER AS PERCEIVED BY RESEARCHERS IN SAKHA AGRICULTURAL RESEARCH STATION." Egyptian Journal of Agricultural Research 89, no. 3 (2011): 1189–215. http://dx.doi.org/10.21608/ejar.2011.177858.

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7

Munthali, Maggie G., Charles K. K. Gachene, Gudeta W. Sileshi, and Nancy K. Karanja. "Amendment ofTephrosiaImproved Fallows with Inorganic Fertilizers Improves Soil Chemical Properties, N Uptake, and Maize Yield in Malawi." International Journal of Agronomy 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/902820.

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Maize production in Malawi is limited mainly by low soil N and P. Improved fallows of N-fixing legumes such asTephrosiaandSesbaniaoffer options for improving soil fertility particularly N supply. The interactions ofTephrosiafallows and inorganic fertilizers on soil properties, N uptake, and maize yields were evaluated at Chitedze Research Station in Malawi. The results indicated that the level of organic matter and pH increased in all the treatments except for the control. Total N remained almost unchanged while available P decreased in all plots amended withT. vogeliibut increased inT. candidaplots where inorganic P was applied. Exchangeable K increased in all the plots irrespective of the type of amendment. The interaction of N and P fertilizers withT. vogeliifallows significantly increased the grain yield. The treatment that received 45 kg N ha−1and 20 kg P ha−1produced significantly higher grain yields (6.8 t ha−1) than all the other treatments except where 68 kg N ha−1and 30 kg P ha−1were applied which gave 6.5 t ha−1of maize grain.T. candidafallows alone or in combination with N and P fertilizers did not significantly affect grain yield. However,T. candidafallows alone can raise maize grain yield by 300% over the no-input control. Based on these results we conclude that high quality residues such asT. candidaandT. vogeliican be used as sources of nutrients to improve crop yields and soil fertility in N-limited soils. However, inorganic P fertilizer is needed due to the low soil available P levels.

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8

Bhatt, Rajan, and Paramjit Singh. "Soil Fertility Status of Punjab Agricultural University Regional Research Station Kapurthala." Agricultural Research Journal 57, no. 2 (2020): 260. http://dx.doi.org/10.5958/2395-146x.2020.00039.3.

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9

Connor, Larry J. "A Case Study of Research Prioritization in an Agricultural Experiment Station." Journal of Production Agriculture 4, no. 4 (1991): 635–39. http://dx.doi.org/10.2134/jpa1991.0635.

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10

Richards, G. E., and Martha Davis. "Scientist Involvement in Research Funding at the Arkansas Agricultural Experiment Station." Journal of Production Agriculture 3, no. 4 (1990): 602–5. http://dx.doi.org/10.2134/jpa1990.0602.

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11

Ryan, John, Colin Norwood, and Juergen Diekmann. "Features of an Experimental Station at an International Agricultural Research Center that Enhance Regional Impact." Sustainable Agriculture Research 1, no. 2 (2012): 88. http://dx.doi.org/10.5539/sar.v1n2p88.

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<p>Adequately equipped field stations are essential for any institution involved with applied agricultural research. The field station is particularly crucial to the functioning of the network of global international research centers. The International Center for Agricultural Research in the Dry Areas addresses issues mainly related to dryland cropping system of the West Asia and North Africa region. It extends its effectiveness in northern Syria through a range of sub-stations and on-farm sites across the rainfall transect (150-600 mm). This article describes the environment and management of the Center that backstops its applied and adaptive research. Particular strengths of the station are highlighted. Unique features of the station that further the technology generation and transfer are described. While some aspects of international research station management are generic, there are considerations described that are specific to an evolving dryland research center in a rapidly changing region.</p>

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12

COHN, JEFFREY P. "Biosphere 2: Turning an Experiment into a Research Station." BioScience 52, no. 3 (2002): 222. http://dx.doi.org/10.1641/0006-3568(2002)052[0218:btaeia]2.0.co;2.

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13

Clark, E. Ann, B. R. Christie, and S. F. Weise. "The structure and function of agricultural research." Canadian Journal of Plant Science 76, no. 4 (1996): 603–10. http://dx.doi.org/10.4141/cjps96-108.

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Contemporary agricultural research is founded upon short-term controlled studies to examine, screen, and rank performance of genetic improvements or managerial processes. This approach has performed admirably in support of the resource-intensive, high-yield paradigm which has guided agricultural development since the second World War. Changes to this paradigm, which may occur in response to economic, societal, or environmental issues, may require increased emphasis on farm-based, system-oriented research to complement the experiment-station-based research which has proven so successful to date. Corresponding changes to the form, structure, intent, and ultimately, the beneficiaries of agricultural research are discussed. Key words: Long-term research, perennial forages, high-yield agriculture, on-farm research, fanning systems research, profitability, genotype × environment interactions, stability, adaptability

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14

Swallow, Stephen K., and Marisa J. Mazzotta. "Assessing Public Priorities for Experiment Station Research: Contingent Value and Public Preferences for Agricultural Research." American Journal of Agricultural Economics 86, no. 4 (2004): 975–89. http://dx.doi.org/10.1111/j.0002-9092.2004.00647.x.

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15

Smitha, R., P. Rajendran, P. T. Sandhya, V. S. Aparna, and P. C. Rajees. "Insect pest complex of rose at Regional Agricultural Research Station, Ambalavayal, Wayanad." Acta Horticulturae, no. 1165 (June 2017): 39–44. http://dx.doi.org/10.17660/actahortic.2017.1165.6.

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16

Khadka, Dinesh, Sushil Lamichhane, Keshav Shrestha, et al. "Soil Fertility Assessment and Mapping of Agricultural Research Station, Jaubari, Illam, Nepal." International Journal of Environment 6, no. 3 (2017): 46–70. http://dx.doi.org/10.3126/ije.v6i3.18097.

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Soil fertility evaluation is a prerequisite factor for sustainable planning of a particular region. Considering this, a study was conducted to determine the soil fertility status of the Agricultural Research Station, Jaubari, Illam, Nepal. In total, 78 soil samples were collected using soil sampling auger randomly from a depth of 0-20 cm. The texture, pH, OM, N, P2O5, K2O, Ca, Mg, S, B, Fe, Zn, Cu and Mn status of the samples were analyzed in the laboratory of Soil Science Division, Khumaltar by following standard analytical methods. The soil fertility maps of the observed parameters were prepared through Arc-GIS 10.1 software. The observed data revealed that soil was brown (10YR 4/3), dark grayish brown (10YR 4/2), dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/6) in colour, and the structure was granular. Similarly, the sand, silt and clay content were 53.84±1.06%, 34.34±0.83% and 11.82±0.47%, respectively and were indicated as sandy loam and loam in texture. The soil was very acidic (pH 3.85±0.04), and very low in available boron (0.26±0.06mg/kg) and available sulphur (0.59±0.15mg/kg). The available calcium (188.7±31.30mg/kg), available magnesium (50.98±5.0mg/kg) and available manganese (5.16±0.90mg/kg) were low. Likewise, available potassium (110.91±7.30mg/kg), available zinc (1.19±0.31mg/kg) and available copper (0.95±0.05mg/kg) content were medium. Similarly, organic matter (7.88±0.32%), total nitrogen (0.27±0.01%) and available phosphorus (36.53±5.66mg/kg) were high, and available iron (39.5±2.17 mg/kg) was very high. International Journal of EnvironmentVolume-6, Issue-3, Jun-Aug 2017, page: 46-70

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17

Sauer, Richard. "Meeting the challenges to agricultural research and extension." American Journal of Alternative Agriculture 5, no. 4 (1990): 184–87. http://dx.doi.org/10.1017/s0889189300003684.

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AbstractThe public agricultural research and extension system has provided the foundation for great improvements in U.S. agricultural production. However, our incomparable productivity has brought with it serious problems. These problems have also led to a rapidly changing perception about both agricultural scientists and today's conventional agriculture. Critics are placing high on the agenda of the agricultural research and extension establishment the need for alternative technologies that are more sustainable and less exploitative of our resources. The growing demand for alternative systems offers challenges for every part of the establishment-research and extension administrators, branch station/research center directors, and faculty. These challenges and how they should be met are discussed. Alternative systems will become the conventional agriculture of tomorrow.

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18

Khadka, Dinesh, Sushil Lamichhane, Kailash Prasad Bhurer, Jeet Narayan Chaudhary, Md Farhat Ali, and Laxman Lakhe. "Soil Fertility Assessment and Mapping of Regional Agricultural Research Station, Parwanipur, Bara, Nepal." Journal of Nepal Agricultural Research Council 4 (May 6, 2018): 33–47. http://dx.doi.org/10.3126/jnarc.v4i1.19688.

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Soil fertility assessment is a key for sustainable planning of a particular area. Thus, the present study was conducted to assess the soil fertility status of the Regional Agricultural Research Station, Parwanipur, Bara, Nepal. The study area is situated at the latitude 27°4’40.9’’N and longitude 84°56’9.85”E at 75masl altitude. Altogether 76 soil samples were collected based on the variability of land at 0-20 cm depth. The texture, pH, OM, total N, available P2O5, K2O, Ca, Mg, S, B, Fe, Zn, Cu and Mn content in the samples were determined following standard analytical methods. Arc-GIS 10.1 was used for soil fertility mapping. The soil structure was angular blocky, and varied between grayish brown (10YR 5/2) and dark grayish brown (10YR 4/2) in color. The sand, silt and clay content were 24.41±0.59%, 54.57±0.44% and 21.03±0.32%, respectively and categorized as silt loam and loam in texture. The soil was moderately acidic in pH (5.67±0.09), low in organic matter (0.74±0.04%) and available Sulphur (0.8± 0.1 ppm). The total nitrogen (0.06±0.001%), available boron (0.59±0.08ppm) and available zinc (0.51±0.05ppm) were low. Furthermore, available potassium (50.26±2.95ppm), available calcium (1674.6±46.3ppm) and available magnesium (175.43± 8.93ppm) were medium. Moreover, available copper (1.36±0.06 ppm) and available manganese (16.52±1.12 ppm) were high, while, available phosphorus (77.55±6.65 ppm) and available iron (85.88±7.05 ppm) were found high. It is expected that the present study would help to guide practices required for sustainable soil fertility management and developing future agricultural research strategy in the farm.

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19

Catt, John A., and Ian F. Henderson. "Rothamsted Experimental Station – 150 Years of Agricultural Research The Longest Continuous Scientific Experiment?" Interdisciplinary Science Reviews 18, no. 4 (1993): 365–78. http://dx.doi.org/10.1179/030801893789766609.

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Catt, John A., and Ian F. Henderson. "Rothamsted Experimental Station – 150 Years of Agricultural Research The Longest Continuous Scientific Experiment?" Interdisciplinary Science Reviews 18, no. 4 (1993): 365–78. http://dx.doi.org/10.1179/isr.1993.18.4.365.

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21

Khadka, Dinesh, Sushil Lamichhane, Shukra R. Shrestha, and Buddhi B. Pant. "Evaluation of soil fertility status of Regional Agricultural Research Station, Tarahara, Sunsari, Nepal." EURASIAN JOURNAL OF SOIL SCIENCE (EJSS) 6, no. 4 (2017): 295–306. http://dx.doi.org/10.18393/ejss.303512.

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22

Rowell, Brent. "Up from the Ashes: Vegetable Crop Research Capacity Development in Cambodia, 1984–1995." HortScience 31, no. 4 (1996): 651d—651. http://dx.doi.org/10.21273/hortsci.31.4.651d.

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Civil war and the hostilities which followed it in Cambodia from 1972 to 1979 resulted in a 20% reduction in the country's population and the near total destruction of its educational and agricultural research infrastructure. As if this were not enough, western governments embargoed humanitarian aid to Cambodia during its most critical period of need from 1981 until multiparty elections were held in 1993. During this period a handful of nongovernmental agencies helped the government begin rebuilding some of its agricultural production capacity. One NGO, together with its government counterparts, established the country's first research station for vegetable crops in 1985 at the request of the Ministry of Agriculture. The Kbal Koh Vegetable Crops Research Station was built and its staff received training from 1985 to 1987. The facility has continued its four-part mission with very limited outside funding and technical support since 1987. Numerous variety and seed production trials have been conducted at the station and in farmers' fields since 1985; practical training programs for agricultural technicians and students began in 1986 and today provide much of the salary and operating budget support for the station. Coinciding with the phase out of NGO assistance in 1995, their are great expectations for continuing support through the newly formed Cambodia–Laos–Vietnam vegetable production and research network, AVRDC, and the Asian Development Bank.

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23

Charoenlertthanakit, Nadchawan, Chulalux Wanitchayapaisit, Ekachai Yaipimol, Vipavee Surinseng, and Pongsakorn Suppakittpaisarn. "Landscape Planning for an Agricultural Research Center: A Research-by-Design Case Study in Chiang Mai, Thailand." Land 9, no. 5 (2020): 149. http://dx.doi.org/10.3390/land9050149.

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Effective planning at the landscape scale is a difficult but crucial task. Modern landscape planning requires economic success, ecological resilience, and environmental justice. Thus, planners and designers must learn to use a deliberative approach in planning: an approach in which decisions are made with the common understanding of stakeholders. This notwithstanding, there is a lack of localized and site-specific design examples for deliberative planning. One of the lacking examples is agricultural research station, which is unique because it balances economic, academic, and public uses. This study used a Research-by-Design Method to explore deliberative planning for an agricultural research station in Chiang Mai, Thailand. Field surveys, interviews, and archival search were conducted for database. Design decisions were delivered via linear-combination suitability analysis. We found that the site was viewed differently by different sets of users. The basic and safety infrastructure was the top priority, and clear direction of governance was crucial to move the site forward in the future. This study was one of the first recorded attempts to design an agricultural research center via the Research-by-Design process. The method and results of the research contribute to the growing body of evidence to support the need of evidence-based design and planning for all sites.

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24

Papanikolaou-Pavlopoulou, X., and J. Poulis. "EVALUATION OF FOURTEEN (14) DIFFERENT APRICOT VARIETIES AT THE AGRICULTURAL RESEARCH STATION OF RHODES." Acta Horticulturae, no. 488 (May 1999): 185–90. http://dx.doi.org/10.17660/actahortic.1999.488.26.

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Khadka, Dinesh, Sushil Lamichhane, Rita Amgain, et al. "Soil fertility assessment and mapping spatial distribution of Agricultural Research Station, Bijayanagar, Jumla, Nepal." EURASIAN JOURNAL OF SOIL SCIENCE (EJSS) 8, no. 3 (2019): 237–48. http://dx.doi.org/10.18393/ejss.566551.

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26

France, J. "Proceedings of the Twenty-Fifth Meeting of the Agricultural Research Modellers' Group." Journal of Agricultural Science 123, no. 1 (1994): 149–54. http://dx.doi.org/10.1017/s0021859600067873.

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This group, which is concerned with the applications of mathematics to agricultural science, is sponsored by the Biotechnology and Biological Sciences Research Council. It was formed in 1970, and has since met at approximately yearly intervals in London for one-day meetings. The twenty-fifth meeting of the group, chaired by Dr T. M. Addiscott of the Institute of Arable Crops Research, Rothamsted Experimental Station, was held in the Wellcome Meeting Room at the Royal Society, 6 Carlton House Terrace, London on Friday, 15 April 1994, when the following papers were read.

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Borsa, Andrei, Elena Mudura, Vlad Vasile Hadarean Munteanu, Sevastita Muste, Andruta Cerbu (Muresan), and Romina Vlaic. "Research Regarding High Gravity Brewing in the Pilot Station USAMV Cluj-Napoca." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Food Science and Technology 70, no. 1 (2013): 62. http://dx.doi.org/10.15835/buasvmcn-fst:9509.

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This paper aims to present preliminary research results obtained while developing and implementing a high gravity beer fermentation process. Production trials were performed in brewery pilot plant from University of Agricultural Sciences and Veterinary Medicine, Faculty of Food Science and Technology. The tehnological parameters were adapted and monitored during the making.

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Doll, Jerry D., and Charles A. Francis. "Participatory Research and Extension Strategies for Sustainable Agricultural Systems." Weed Technology 6, no. 2 (1992): 473–82. http://dx.doi.org/10.1017/s0890037x00035089.

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Conventional strategies for developing component technologies are being challenged by the complexities of today's agricultural environment. The needs for support of adaptive research, for sufficient field sites to evaluate location specificity of technologies, and for testing components as parts of total farm systems are not easily met within the confines of the experiment station. On-farm research strategies involve the farmer and rancher in project design, field implementation, collection and evaluation of data, and interpretation of results. Farmer presentations in extension meetings and field tours involve these cooperators in the demonstration and technology sharing process. Farmers in Nebraska and Wisconsin have applied this process to research nitrogen levels in continuous and rotated cereals, the use of allelopathic chemicals from rye(Secale cerealeL.) to reduce herbicide costs in soybean [Glycine max(L.) Merr.] production, on other alternative weed management strategies, and strip cropping to reduce soil erosion and meet government program compliance requirements. Useful in a wide range of ecological and economic circumstances, participatory methods using farming systems research and extension strategies have global applications.

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29

Siksnāne, Ieva, and Ainis Lagzdiņš. "Analysis of Precipitation and Runoff Conditions in Agricultural Runoff Monitoring Sites." Rural Sustainability Research 39, no. 334 (2018): 26–31. http://dx.doi.org/10.2478/plua-2018-0004.

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Abstract In order to assess the nature of climate change, it is important to analyze the indicators of climate variability in different scales: spatial and temporal. The analysis at different scales can lead to understanding of the nature of variations. Climate change studies are essential for comprehending the nature of global processes, to refine global climate patterns and also develop further research for natural processes (Meinke, Stone, 2005; Hulme et al., 1999). Processes in nature are united, continuous and in constant interaction. Variance of interaction types are immeasurable, types can be connected with different scales and science fields, for example, biological, ecological, physical etc. If interaction is taking place between the land and atmosphere, it is defined as hydrological interaction. As water is significantly important for many purposes on the Earth, it is relevant to analyze precipitation and water runoff on a local scale. In the territory of Latvia, the amount of precipitation exceeds the level of evapotranspiration. Long-term monitoring data show that precipitation leads to average runoff of 250 mm per year (Ziverts, 2004). The monitoring data collected at three research sites located in Latvia was used for this research including Berze (Lielupe river basin, meteorological station in Dobele), Mellupite (Venta river basin, meteorological station in Saldus monitoring) and Vienziemite (Gauja river basin, meteorological station in Zoseni). The results from this study show that there is a pronounced interaction between runoff and precipitation with an average of 53 to 82%.

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Leiby, James D., and Gregory D. Adams. "The Returns to Agricultural Research in Maine: The Case of a Small Northeastern Experiment Station." Northeastern Journal of Agricultural and Resource Economics 20, no. 1 (1991): 1–14. http://dx.doi.org/10.1017/s0899367x00002804.

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Estimates of the marginal internal rate of return to expenditures for research by the Maine Agricultural Experiment Station are presented. Estimates are performed using ridge regression under an array of specifications, including alternative functional forms, lag structures, costs of public funds, and variable specifications. The results are consistent with many previous results that imply an underinvestment in agricultural research.

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Hassan, Mirza, Wasiullah ., Javed Iqbal ., and Mohammad Ilyas . "Evaluation of Wheat Varieties under the Agro-climatic Condition of Barani Agricultural Research Station, Kohat." Journal of Agronomy 2, no. 1 (2002): 8–12. http://dx.doi.org/10.3923/ja.2003.8.12.

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32

Hasan, Mahbub, and Aschalew Kassu. "Runoff Volume by SCS Method for the Alabama A&M University Agricultural Research Station." International Journal of Hydrology Science and Technology 1, no. 1 (2020): 1. http://dx.doi.org/10.1504/ijhst.2020.10023745.

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33

Maynard, Abigail A. "Seventy Years of Research on Waste Composting and Utilization at the Connecticut Agricultural Experiment Station." Compost Science & Utilization 2, no. 2 (1994): 13–21. http://dx.doi.org/10.1080/1065657x.1994.10771135.

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Khadka, Dinesh, Sushil Lamichhane, Parashuram Bhantana, et al. "Soil analysis gis-based fertility assessment and mapping of agricultural research station, Pakhribas, Dhankuta, Nepal." Polish Journal of Soil Science 52, no. 1 (2019): 23. http://dx.doi.org/10.17951/pjss.2019.52.1.23.

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<p>Soil fertility evaluation has been considered as a most effective tool for sustainable planning of a particular region. This study was conducted to determine the soil fertility status of the Agricultural Research Station, Pakhribas, Dhankuta, Nepal. The total 60 soil samples were collected randomly at a depth of 0-20 cm by using the soil sampling auger. For identification of soil sampling points A GPS device was used. The collected samples were analyzed for their texture, pH, OM, N, P<sub>2</sub>O<sub>5</sub>, K<sub>2</sub>O, Ca, Mg, S, B, Fe, Zn, Cu and Mn status following standard methods in the laboratory of Soil Science Division, Khumaltar. The Arc-GIS 10.1 software was used for soil fertility maps preparation. The observed data revealed that soil was dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/6) in colour, and single grained, granular and sub-angular blocky in structure. The sand, silt and clay content were 56.61±0.97%, 27.62±0.56% and 15.77±0.58%, respectively and categorized as loam, sandy loam and sandy clay loam in texture. The soil was very acidic in pH (4.66±0.07) and very low in available sulphur (0.53±0.11mg/kg), available boron (0.24±0.07mg/kg). The organic matter (1.34±0.07%), total nitrogen (0.09±0.003mg/kg), available calcium (605.70±31.40mg/kg), available magnesium (55.96±4.67mg/kg) and available zinc (0.54±0.22mg/kg) were low in status. Similarly, available potassium (115.98±9.19 mg/kg) and available copper (1.13±0.09 mg/kg) were medium in status. Furthermore, available manganese (36.31±2.82mg/kg) was high, whereas available phosphorus (105.07±9.89 mg/kg) and available iron (55.80±8.89 mg/kg) were very high in status. The soil fertility management practice should be adopted based on the determined status in the field for the sustainable production of crops. The future research strategy should be built based on the soil fertility status of the research farm.</p>

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Fathiya, Nir, Essy Harnelly, Zairin Thomy, and Iqbar Iqbar. "MOLECULAR IDENTIFICATION OF SHOREA JOHORENSIS IN KETAMBE RESEARCH STATION, GUNUNG LEUSER NATIONAL PARK." Jurnal Natural 18, no. 2 (2018): 57–64. http://dx.doi.org/10.24815/jn.v18i2.10123.

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Shorea johorensis is one of the red meranti plants in Ketambe Research Station, Gunung Leuser National Park, Aceh Tenggara. Currently, Shorea johorensis also is well known as a major source of valuable commercial timber. This research aimed to analyze the phylogenetic of Shorea johorensis based on chloroplast and nuclear DNA in Ketambe Research Station so that it can be known the relationship of Shorea johorensis with other species Dipterocarpaceae in GenBank database. The research was conducted from July 2015 to August 2016 in Ketambe Research Station and Forestry and Forest Genetics Laboratory of Molecular, Bogor Agricultural University. The method used quadrat sampling technique with purposive sampling and experimental laboratory that consisted of DNA extraction, PCR, electrophoresis, and sequencing. The data analysis was done using BioEdit, MEGA6, and BLAST. The results showed that the phylogenetic tree of Shorea johorensis based on the rbcL and matK showed that Shorea johorensis was closely related with some species Hopea; but the phylogenetic tree based on psbA-trnH, 5.8S rRNA, ITS2, and 28S rRNA showed that Shorea johorensis was closely related with Shorea robusta.Keywords: Chloroplast dna, Ketambe Research Station,Nuclear DNA, Shorea johorensis

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Al-Mamun, M., C. K. Saha, M. G. Mostofa, A. Miah, and M. Z. Hossain. "IDENTIFICATION OF SUITABLE VARIETIES FOR SEED PRODUCTION OF JUTE IN NON-TRADITIONAL AREAS OF BANGLADESH." Bangladesh Journal of Plant Breeding and Genetics 30, no. 1 (2017): 33–38. http://dx.doi.org/10.3329/bjpbg.v30i1.36531.

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The experiment was conducted at Hill Agricultural Research Station, Khagrachari (representing hilly areas), Agricultural Research Station, Satkhira and Jute Research Station, Patuakhali (representing saline areas) with seven varieties of jute and one variety of kenaf to find out the seed production potentiality in non-traditional areas. All varieties were sown in late July to mid August in 2009 to 2011. At hilly station white jute varieties (BJRI Deshi Pat-6, CVL-1 and BJRI Deshi Pat-5) performed better for seed production than tossa jute and kenaf varieties. At saline station (both Satkhira and Patuakhali) kenaf variety HC-95 performed better for seed yield than white and tossa jute varieties (O-9897, OM-1, BJRI Tossa Pat-4 and BJRI Tossa Pat-5). The kenaf variety (HC-95) produced the highest yield (0.86 ton/ha) in saline areas. Among the white jute varieties, BJRI Deshi Pat-5 gave the highest yield (0.66 ton/ha) and in case of tossa jute varieties, BJRI Tossa Pat-5 gave the highest seed yield (0.70 ton/ha). Therefore, BJRI Deshi Pat-5 of white jute, BJRI Tossa Pat-5 and HC-95 of kenaf are considered as the best varieties for seed production in hilly and saline areas of Bangladesh, respectively.

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Baxter, Lisa L., and Brian M. Schwartz. "History of Bermudagrass Turfgrass Breeding Research in Tifton, GA." HortScience 53, no. 11 (2018): 1560–61. http://dx.doi.org/10.21273/hortsci13257-18.

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Bermudagrass (Cynodon spp.) is the foundation of the turfgrass industry in most tropical and warm-temperate regions. Development of bermudagrass as a turfgrass began in the early 1900s. Many of the cultivars commercially available today have been cooperatively released by the U.S. Department of Agriculture Agricultural Research Service (USDA-ARS) and the University of Georgia at the Coastal Plain Experiment Station in Tifton, GA.

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Verhunov, Victor. "Contribution of Professor K. G. Schindler (1869–1940) in formation of agricultural mechanics, theory and practice of testing of the agricultural machines and tools in Ukraine." History of science and technology 11, no. 1 (2021): 171–90. http://dx.doi.org/10.32703/2415-7422-2021-11-1-171-190.

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The article highlights the life and creative path of the outstanding domestic scientist, theorist, methodologist and practitioner of agricultural engineering K. G. Schindler, associated with the formation of agricultural mechanics in Ukraine. The methodological foundation of the research is the principles of historicism, scientific nature and objectivity in reproducing the phenomena of the past based on the complex use of general scientific, special, interdisciplinary methods. For the first time a number of documents from Russian and Ukrainian archives, which reflect some facts of the professional biography of the scientist, were introduced into scientific circulation. The main directions of fruitful pedagogical and scientific activities of K. G. Schindler, key segments of his creative search, which determined the further development of agricultural engineering, his leadership in the scientific community were described. It was proved that Professor K. G. Schindler has the primacy in founding the Station of Testing for Agricultural Machines and Tools at the Kiev Polytechnic Institute, which provided students of agronomic and mechanical faculties with the opportunity to get acquainted with the existing types and designs of tillage machines, systematically test its research methods. In addition, the station carried out scientific work on the study of certain issues of agricultural mechanization, development of methods and devices for research of agricultural machinery and implements. The seven functions of the agronomic-type research station developed by scientists for the first time in Europe at the beginning of the last century have become a reference point for many generations of researchers of agricultural machinery. K. G. Schindler was the first in the world to theoretically substantiate the need to improve the design of tillage equipment depending on soil and climatic conditions, made a significant contribution to the theory of soil deformation with the shelf of the plow body. In addition, he improved the Sakka dynamometer, developed a control dynamometer to check traction dynamometers and other devices, improved existing and developed new designs of tillage machines. K. G. Schindler was the first in Ukraine to teach a course in agricultural engineering.

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Mahmoud, Kamh. "Impact of Agricultural Practices on Soil Productivity and Sustainability of Abis Experimental Research Station (AbisERS), Egypt." Alexandria Journal of Agricultural Sciences 61, no. 1 (2016): 37–49. http://dx.doi.org/10.21608/alexja.2016.29921.

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DĂRAB, Ionel Dragoş, Dana MALASCHI, Ana Maria VĂLEAN, Adina Daniela TĂRĂU, Cornel CHEŢAN, and Ion OLTEAN. "Preliminary Research on the Wheat Pests and on Their Integrated Control during 2015-2016, at Agricultural Research-Development Station Turda." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Agriculture 74, no. 1 (2017): 1. http://dx.doi.org/10.15835/buasvmcn-agr:12652.

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In Transylvania, the evolution of wheat insect pests is strongly influenced by the ecotehnological conditions, by climate change and current technology (Malschi, 2009 Malschi et al., 2015). The paper presents the dynamics and importance of the main pests of wheat (thrips, aphids, leafhoppers, wheat flies, cereals sunbugs, investigated under the integrated pest control system suitable of the area. During 2015-2016, the investigations were conducted at the Agricultural Research and Development Station Turda, from the wheat no tillage cultural system with cereal rotation of three years and applying all zonal recommendations of technology and phytosanitary complex. The pest monitoring was performed based on the samples collected with entomological net, by decadal 100 sweep-net catches/sample. The study data shows the danger of the attack of abundant populations of wheat flies (Phorbia securis, Delia coarctata, Opomyza florum, Oscinella frit etc.; wheat fleas (Chaetocnema aridula) and cereal leaf beetle (Oulema melanopa); leafhoppers (Psammotettix alienus, Javesella pellucida, Macrosteles laevis); aphids (Sitobion avenae, Schizaphis graminum, Rhopalosiphum padi); thrips (Haplothrips tritici), sunbugs (Eurygaster maura, Aelia acuminata) etc., and the necessity of applying insecticide treatments on the vegetation.Since 2015, a stronger impact of global warming on the wheat pests structure (%) are found. This change began on the last ten years. The importance of cereal sunbugs is increasing, well as the importance of the wheat flies, aphids and leafhoppers, which requires professional study on the pest dynamics and adequate integrated control of wheat pests.

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Jonsson, N. N., P. M. Pepper, R. C. W. Daniel, M. C. McGowan, and W. Fulkerson. "Association between non-parturient post-partum hypocalcaemia and the interval from calving to first ovulation in Holstein-Friesian cows." Animal Science 69, no. 2 (1999): 377–83. http://dx.doi.org/10.1017/s1357729800050943.

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AbstractThis study was undertaken to quantify the effect of episodes of subclinical hypocalcaemia on the interval from calving to first ovulation. It incorporated three separate surveys during early lactation of 44 and 60 cows at Mutdapilly Research Station and 56 cows at Wollongbar Agricultural Institute. Twenty-five, 37 and 39% of cows respectively, experienced episodes later than 3 days after calving, of non-parturient post-partum hypocalcaemia, when plasma calcium concentration fell below 2⋅00 mmolll. Episodes of subclinical hypocalcaemia did not affect the interval to first post-partum ovulation in the two experiments conducted at Mutdapilly Research Station but ovulation was significantly delayed in cows that experienced episodes of subclinical hypocalcaemia at Wollongbar Agricultural Institute.

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Triantafillidis, D., C. Ligda, A. Georgoudis, and J. Boyazoglu. "The Florina (Pellagonia) sheep breed." Animal Genetic Resources Information 22 (April 1997): 7–13. http://dx.doi.org/10.1017/s1014233900000961.

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SummaryThe Florina (or Pellagonia) sheep, which have descended from ancient indigenous Greek populations, are on the way to extinction. A small number of animals are found in the region of West Macedonia. The breed belongs to the semi fat-tailed Ruda wool type sheep, is well adapted to harsh mountain conditions and shows resistance to diseases. Recorded farms are kept at the Agricultural Research Station of Koila in Kozani, at the T. E. I. farm of Florina, at the Animal Husbandry Institute of Gianitsa and at the Agricultural Research Station of Komotini. The average commercialised milk production is 96±38.6 kg during a lactation period of 156 days and the average litter size is 1.4±0.52.

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Drinkwater, Laurie E. "Cropping Systems Rsearch: Reconsidering Agricultural Experimental Approaches." HortTechnology 12, no. 3 (2002): 355–61. http://dx.doi.org/10.21273/horttech.12.3.355.

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Systems approaches to research can be used to study characteristics of agricultural systems that cannot be addressed using conventional factorial experiments. The goal of a factorial experiment is to break down a complex system in order to isolate and study specific components and identify cause-effect relationships. In contrast, systems experiments aim to understand how a complex system functions as a whole and thus requires that intact systems be studied. Two approaches have been successfully applied to agricultural systems research: 1) field station experiments where simulated cropping systems are established in replicated plots and 2) studies of intact agroecosystems using commercial farms as study sites. These two approaches have complementary strengths and limitations and have made significant contributions to our understanding of ecological processes in agricultural systems. The development of sustainable agroecosystems will be best accomplished using an integrated research approach combining systems experiments with appropriately designed factorial experiments.

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Smith, Katherine Reichelderfer. "Making alternative agriculture research policy." American Journal of Alternative Agriculture 10, no. 1 (1995): 10–18. http://dx.doi.org/10.1017/s0889189300006044.

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AbstractThe policies influencing the American agricultural research agenda are developed by Congress, the U.S. Department of Agriculture, and the 58 state agricultural experiment stations of the land-grant university system, with input from various advisory groups. Despite the slow pace of change in the agricultural research agenda, there are no special barriers keeping the research system from adapting to contemporary and alternative agriculture issues. Rather, agricultural researchers have neither appropriate professional incentives nor sufficient financial incentives to shift toward alternative agriculture. Public intervention to alter these incentives has been thwarted because agricultural research institutions set their agendas through obscure processes. Five areas of policy change that could improve the prospects for evolution of a significant alternative agriculture research agenda are: 1) imposing a means test for formula fund payment limitations to states, with saved funds directed toward alternative agriculture research; 2) making priority setting a condition for receiving federalfunds for agricultural research to make the research agenda-setting process clearer to all interested parties; 3) requiring that federally funded research programs be categorized by the specific social goals toward which they are directed, to aid in judgments about the relevance of specific public agricultural research programs; 4) requiring information on research programs to be reported in a way that is specifically relevant to the alternative agriculture agenda; 5) formally involving public citizens and farmers in reviewing agricultural research grants to assure that the usefulness of proposed research is weighed along with scientific merit. These proposals complement current interest in making science generally more responsive to national priorities, and are entirely feasible within current agricultural research policy processes. Their effectiveness, however, is limited by the shrinking influence of federal funding in the state agricultural experiment station system, and they are only incremental changes within the existing system rather than radical reforms toward an alternative research system.

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Jakubowska, Magdalena. "Quality Structure of the Noctuidae Family in Selected Habitats of the Agricultural Landscape." Journal of Plant Protection Research 51, no. 2 (2011): 166–70. http://dx.doi.org/10.2478/v10045-011-0029-5.

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Quality Structure of the Noctuidae Family in Selected Habitats of the Agricultural LandscapeThe aim of the study was to compare the Noctuidae moths in three selected farmland environments, using ecological indices. The study was conducted from 2003 to 2006 on fields sown with winter wheat, sugar beets, maize and winter rape plants. The subject of the study was the imago of moth caught by light traps. Light traps (Polish brand) were located at: the Institute of Plant Protection, the Agricultural Research Station in Winna Góra, the Sugar Beet Breeding Research Station in Więcławice and the Institute of Plant Protection in the Poznań research garden. The collected Noctuidae imagines were identified and characterized quantitatively and qualitatively. The Noctuidae imagines were analyzed using Shannon-Weaver's diversity index (H'), Simpson's dominance index (d) and Marczewski-Steinhaus index of similarity (MS %). The results showed a higher similarity between species composition in the agrocenos of Poznań and Więcławice. The smallest diversity of species, reflected in the lowest value of the diversity index and the high value of the dominance index, was observed in the biotic community of Winna Góra which reveals a few Noctuidae, namely:Agrotis segetum(Schiff. et Den.),A. exclamationis(L.),Xestia c-nigrum(L.), andDiscestra trifolii(L.).

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Owings, Allen D., Charles E. Johnson, and M. LeRon Robbins. "ESTABLISHMENT OF THE LSU AGRICULTURAL CENTER NATIVE PLANT ARBORETUM." HortScience 28, no. 4 (1993): 272G—272. http://dx.doi.org/10.21273/hortsci.28.4.272g.

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Educational and research opportunities utilizing native plant species are being developed by the LSU Agricultural Center through the recent establishment of a native plant arboretum at the Calhoun Research Station. Plants indigenous to Louisiana and surrounding states are being collected and planted in the arboretum for evaluation of potential values for landscaping, in food industries, and/or wildlife management. Native trees being studied include species of oak (Quercus), maple (Acer), hickory (Carya), and dogwood (Cornus). Lesser known species of holly (Ilex) and hawthorn (Crataegus), are being evaluated for commercial production and landscape potential. Fruit being collected for field orchard studies include mayhaw (Crataegus opaca), pawpaw (Asimina triloba), and several native plums (Prunus spp.).

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Kurashige, Yuji, and Nobuo Kobayashi. "Evergreen Azalea Cultivars and Breeding Trends in the Taisho Era Inferred by Discovered “Azalea Research Notes” of Kanagawa Agricultural Research Station." Horticultural Research (Japan) 7, no. 2 (2008): 323–28. http://dx.doi.org/10.2503/hrj.7.323.

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Faruk, MI, MM Islam, F. Khatun, MA Hossain, and TK Dey. "Integrated management of bacterial wilt and root knot nematode of brinjal." Bangladesh Journal of Agricultural Research 44, no. 3 (2019): 427–37. http://dx.doi.org/10.3329/bjar.v44i3.43476.

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The field experiment was conducted at Regional Agricultural Research Station (RARS), Hathazari, Chattagram to find out the efficacy of integration of poultry refuse (PR) with stable bleaching powder (SBP) or CaNO3 and Furadan 5G for the management of bacterial wilt (Ralstoniasolanacearum) and root-knot nematode disease (Meloidogyne incognita) of brinjal. Soil was treated with PR @ 3 t/ha 3 weeks before transplanting, stable bleaching powder @ 20 kg/ha during final land preparation and Furadan 5G @ 20 kg/ha on the day of seedlings transplanting while CaNO3 was used as soil drenching 10 days after seedling transplanting. Results showed that integration of poultry refuse with Furadan 5G and stable bleaching powder or CaNO3 reduced root-knot and bacterial wilt diseases and increased plant growth as well as yield of brinjal. The most effective treatment combination was PR + stable bleaching powder + Furadan 5G with early sowing, followed by PR + CaNO3 + Furadan 5G with early sowing for the management of bacterial wilt and root knot nematode diseases and increasing plant growth and yield of brinjal. The technology, poultry refuse+ stable bleaching powder + Furadan 5G was validated at Bangladesh Agricultural Research Institute (BARI), Gazipur, Regional Agricultural Research Station of Jessore, Hathazari and Jamalpur and also at Agricultural Research Station and farmers field at Burirhat, Rangpur and OFRD farm at Alamnagar, Rangpur. The validation trials showed that integration of poultry refuse + stable bleaching powder+ Furadan 5G in early sowing was an effective management package of bacterial wilt and root knot nematode diseases of brinjal which also offered 21.81 to 25.98% higher yield over the conventional practices. Bangladesh J. Agril. Res. 44(3): 427-437, September 2019

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Liu, Zhi Lin. "Research on Internal Flow Field Simulation of Hydropower Station Pressure Steel Pipe Based on FLUENT." Applied Mechanics and Materials 509 (February 2014): 34–37. http://dx.doi.org/10.4028/www.scientific.net/amm.509.34.

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The research object of this paper is one of the pressure steel pipes which is installed in hydropower station of agricultural and animal husbandry college, use the computational fluid dynamics software FLUENT to 3D numerical simulation for internal flow field of this pressure steel pipe, obtain the distribution of internal flow field and flow velocity. At the same time, analyze the bending position, verified the accuracy and rationality of the simulation.

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Ehlenfeldt, Mark K., Allan W. Stretch, Nicholi Vorsa, and Arlen D. Draper. "'Hannah's Choice' Highbush Blueberry." HortScience 40, no. 5 (2005): 1558–60. http://dx.doi.org/10.21273/hortsci.40.5.1558.

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'Hannah's Choice' is an early-ripening, tetraploid, highbush blueberry (Vaccinium corymbosum L.) that was developed by the cooperative breeding program of the Agricultural Research Service of the U.S. Department of Agriculture (USDA) and the New Jersey Agricultural Experiment Station (NJAES). It was named because it represents an improvement in sweetness, firmness, and flavor over currently grown early cultivars.

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