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Letteratura scientifica selezionata sul tema "Herbage production"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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Articoli di riviste sul tema "Herbage production"

1

Phillips, C. J. C., P. C. Chiy, and J. A. Avezinius. "The effects of sodium and sulphur fertilizers on dairy cow production." Proceedings of the British Society of Animal Science 1995 (March 1995): 25. http://dx.doi.org/10.1017/s1752756200590231.

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Fertilisers are usually evaluated by their effects on herbage DM yield and occasionally herbage composition. Rarely are the effects on animal production considered, even though there is evidence for example that increasing the sodium (Na) contents of herbage can increase the milk yield of dairy cows (Chiy and Phillips, 1991), and that dietary sulphur (S) contents in excess of l-2g/kg DM will lead to reduced intake and productivity in ruminants (Raisbeck, 1982). In the UK the use of sulphur fertilizer is widely advocated, since herbage growth is often restricted by deficiency now that industria

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2

Phillips, C. J. C., P. C. Chiy, and J. A. Avezinius. "The effects of sodium and sulphur fertilizers on dairy cow production." Proceedings of the British Society of Animal Science 1995 (March 1995): 25. http://dx.doi.org/10.1017/s030822960002794x.

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Abstract (sommario):

Fertilisers are usually evaluated by their effects on herbage DM yield and occasionally herbage composition. Rarely are the effects on animal production considered, even though there is evidence for example that increasing the sodium (Na) contents of herbage can increase the milk yield of dairy cows (Chiy and Phillips, 1991), and that dietary sulphur (S) contents in excess of l-2g/kg DM will lead to reduced intake and productivity in ruminants (Raisbeck, 1982). In the UK the use of sulphur fertilizer is widely advocated, since herbage growth is often restricted by deficiency now that industria

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3

Roche, J. R., L. R. Turner, J. M. Lee, et al. "Weather, herbage quality and milk production in pastoral systems. 4. Effects on dairy cattle production." Animal Production Science 49, no. 3 (2009): 222. http://dx.doi.org/10.1071/ea07310.

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Prevailing weather conditions are one factor that influences herbage growth and quality, and therefore may have a substantial impact on animal production. The objective of the present study was to quantify the associations between weather, herbage quality and mineral concentration, and animal production. Daily weather data and weekly records of herbage quality and mineral concentration, as well as dairy cattle production, were available from a research farm and nearby weather station across the years 1995 to 2001, inclusive. Animal production variables of interest included individual cow milk

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4

Baoyin, Taogetao, Frank Yonghong Li, Qinghai Bao, Hugjiltu Minggagud, and Yankai Zhong. "Effects of mowing regimes and climate variability on hay production of Leymus chinensis (Trin.) Tzvelev grassland in northern China." Rangeland Journal 36, no. 6 (2014): 593. http://dx.doi.org/10.1071/rj13088.

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Leymus chinensis (Trin.) Tzvelev grassland is the most widely distributed native steppe vegetation type suitable for haymaking in the semiarid pastoral regions of north-east Asia. The long-term effects of four mowing regimes (mowing once a year, twice a year, once every 2 years and twice every 3 years), and climatic variability on the hay production from L. chinensis grassland were investigated using permanent plots over 27 years. The results showed that (i) the overall cumulative annual herbage production over the 27 years was the highest under ‘mowing once a year’, and ‘mowing twice a year’

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5

Liu, Xing-peng, Ji-quan Zhang, Wei-ying Cai, and Yu-long Bao. "Estimating the insurance rates for loss of annual production of grass herbage associated with natural disasters in China." Rangeland Journal 37, no. 2 (2015): 139. http://dx.doi.org/10.1071/rj14040.

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Grasslands in many parts of China are vulnerable to natural disasters which can bring large economic losses to pastoralists. As an effective method to manage the risk, insurance has gradually become an important means used in the management of grassland disasters. Because of insufficient statistical data on annual production of grass herbage, insurance-rate-making has become the core challenge in grassland insurance programs in China. Taking Xilingol League in Inner Mongolia as the study area, by analysing the correlations of different vegetation indices with annual production of grass herbage

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6

Williams, A. J. "The Efficiency of Wool Production." Outlook on Agriculture 15, no. 3 (1986): 141–50. http://dx.doi.org/10.1177/003072708601500307.

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The efficiency of wool production – which in the context of this review means largely the production of fine wool in Australia, the largest grower – depends on local conditions and management systems. The main factors, other than genetic, are climatic and edaphic; the proportion of herbage utilized by the sheep; and the proportion of ingested herbage converted into wool.

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Roche, J. R., L. R. Turner, J. M. Lee, et al. "Weather, herbage quality and milk production in pastoral systems. 3. Inter-relationships and associations between weather variables and herbage growth rate, quality and mineral concentration." Animal Production Science 49, no. 3 (2009): 211. http://dx.doi.org/10.1071/ea07309.

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Prevailing weather conditions influence herbage growth and quality, and therefore may have a substantial impact on animal production. Before investigating relationships between weather factors, herbage quality and animal production, it is beneficial to first quantify interactions between herbage quality characteristics and mineral concentrations. The objective of the present study was to investigate the association between weather and herbage growth rate, quality and mineral concentration under rotational grazing systems. Daily weather data and weekly records of herbage quality and mineral con

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Seip, Dale R., and Fred L. Bunnell. "Species composition and herbage production of mountain rangelands in northern British Columbia." Canadian Journal of Botany 63, no. 11 (1985): 2077–80. http://dx.doi.org/10.1139/b85-291.

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Species composition and herbage production were determined for different range types used by ungulates in northern British Columbia. In addition, the effect of N fertilization on alpine grasslands was measured. Fire-induced subalpine grasslands produced much more herbage than other range types. Graminoid production, but not forb production, was greater in wet growing seasons. Fertilization of alpine ranges with 17–35 kg N/ha did not increase the herbage production.

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Roche, J. R., L. R. Turner, J. M. Lee, et al. "Weather, herbage quality and milk production in pastoral systems. 2. Temporal patterns and intra-relationships in herbage quality and mineral concentration parameters." Animal Production Science 49, no. 3 (2009): 200. http://dx.doi.org/10.1071/ea07308.

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Abstract (sommario):

Prevailing weather conditions influence herbage growth and quality, and therefore may have a substantial impact on animal production. Before investigating relationships between weather factors, herbage quality, and animal production, it is beneficial to first quantify temporal trends in herbage quality characteristics and mineral concentrations. The objective of the present study was to investigate the existence of temporal trends in herbage quality characteristics and mineral concentrations, and to quantify the intra-dependency among these variables. Weekly herbage quality and mineral concent

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10

STOUT, DARRYL G., and B. BROOKE. "TILLER PRODUCTION OF GRAZED AND CLIPPED PINEGRASS." Canadian Journal of Plant Science 67, no. 2 (1987): 503–8. http://dx.doi.org/10.4141/cjps87-071.

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The effects of intensive herbage removal by either grazing or clipping on yield of pinegrass (Calamagrostis rubescens Buckl.) the following year were compared. Both treatments had a similar effect on the subsequent year yield of pinegrass. During the season of treatment, grazing stimulated new tiller production whereas clipping did not. This new tiller production may partially compensate for the fact that grazing removes additional herbage owing to pull-up. In 1 of 2 yr, grazing on about 1 June caused less stand deterioration than grazing near 1 July or 1 Aug.Key words: Pinegrass, herbage remo

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Tesi sul tema "Herbage production"

1

Danby, Sharon. "The effect of slurry and dirty water application to herbage on herbage production, dairy cow productivity and behaviour." Thesis, University of Reading, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266044.

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2

Wallau, Marcelo Osório. "Modeling the dynamics of herbage production and intake in complex grasslands." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/164622.

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Studies in grassland management and ecology have always been challenging because of the large amount and great variation of the entities representing and affecting the system. Despite that, we were able to progress significantly in range experimentation in the Campos, in Southern Brazil. Along past thirty years, a large amount of data and information was generated, from vegetation production to components of intake. In an attempt to integrate the information available, seeking for a deeper understanding of the functioning of native grasslands, we propose adapting a mechanistic vegetation model

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3

Hobbs, Trevor J., and n/a. "Herbage production modelling and assessment in the arid rangelands of Central Australia." University of Canberra. Applied Science, 1994. http://erl.canberra.edu.au./public/adt-AUC20060725.143830.

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The management and sustainable use of Central Australian rangelands for livestock production and conservation requires improved knowledge of the temporal and spatial distribution of primary production in this region. To provide such information, this thesis investigated methods that could rapidly and efficiently estimate regional herbage biomass production in these arid landscapes. Two different approaches were examined, using (1) ground-based or (2) satellite-based data sources. Soil moisture and herbage growth data were collected over several growth seasons and five landscape types in Centra

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4

Bailey, J. S. "Evaluation of the lime requirements of some soils for grass production." Thesis, Queen's University Belfast, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379218.

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Armendariz-Yanez, Ivan Rene. "Indigenous fodder legume trees : their influence on soil fertility and animal production on tropical pastures of Yucatan, Mexico." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285231.

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Pornaro, Cristina. "Effects of wood establishment on plant biodiversity and herbage production of mountain pastures." Doctoral thesis, Università degli studi di Padova, 2012. http://hdl.handle.net/11577/3422525.

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In the past sixty years, the Southern Alps have undergone a tremendous and likely unprecedented change in land-use due to land abandonment in mountain regions. This phenomenon causes a turn of mountain grasslands to forests through the process of natural succession. Vegetation relevés in eight pastures under forest succession in the Italian Alps were collected at different percentage of wood cover. Moreover, in four of the eight sites, herbage samples were collected at different wood cover levels. In addition, in one site (characterised by Nardus grassland habitat) core samples were collected

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7

Razmjoo, Ghalaie Khorshid. "Effect of potassium, sulfur, boron, and molybdenum fertilization on alfalfa production and herbage composition /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487260859495673.

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Nhlengetfwa, Melusi. "A mathematical model of browse and herbage production in communal grazing lands of semi-arid regions." Master's thesis, University of Cape Town, 1999. http://hdl.handle.net/11427/26527.

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The main purpose of this work is to extend an existing model of growing cattle and grass production in a semi-arid rangeland.The existing model which is basically Dye's (1983) model in differential equation form handles: i) the growth and performance of cattle measured in terms of weight, ii) the initiation of grass growth in early rainy season and its utilisation by the cattle . This model is being extended to simulate woody plants in addition to the grass and to simulate browsing by goats. The densities of vegetation and the stocking rates of both types of animals are being considered. Our m

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9

Hao, Jun [Verfasser]. "Influence of grazing system on herbage production and animal performance in the Inner Mongolian steppe, China. / Jun Hao." Kiel : Universitätsbibliothek Kiel, 2013. http://d-nb.info/103119066X/34.

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Roman, Juliano. "Relação planta-animal em diferentes intensidades de pastejo com ovinos em azevém anual (Lolium multiflorum Lam.)." Universidade Federal de Santa Maria, 2006. http://repositorio.ufsm.br/handle/1/10895.

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This work aimed to evaluate the utilization of different grazing intensity on the productive and structural characteristics of pasture and on the ingestive behaviour and performance of sheep in continuous grazing. The treatment were different herbage masses (HM) in Italian ryegrass (Lolium multiflorum Lam.) pasture: LHM: 1000-1200 kg/ha of dry matter (DM); IHM: 1400-1600 kg/ha DM; HHM: 1800-2000 kg/ha DM. The experimental design was the randomly complete, with three treatments and two area replicates. The data were submitted at the regression analysis in function of HM observed in the experime

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Libri sul tema "Herbage production"

1

Sanderson, H. Reed. Responses of herbage and browse production to six range management strategies. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1990.

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2

Mitchell, John E. An evaluation of herbage and browse production estimators used in the 1980 RPA assessment. U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1985.

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3

Stacy, Pease, and Rocky Mountain Research Station (Fort Collins, Colo.), eds. Mesquite removal and mulching impacts on herbage production on a semidesert grass-shrub rangeland. U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, 2006.

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4

E, Mitchell John. An evaluation of herbage and browse production estimators used in the 1980 RPA assessment. U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1985.

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5

E, Mitchell John. An evaluation of herbage and browse production estimators used in the 1980 RPA assessment. U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1985.

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6

Jansen, Tineke M. The influence of white clover cultivar and organic manure treatment on early spring herbage production. University College Dublin, 1995.

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7

French, Patrick G. The effects of concentrate level and system of herbage allowance on beef production in the autumn. University College Dublin, 1998.

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8

Nepi, Chiara, and Enrico Gusmeroli, eds. Gli erbari aretini da Andrea Cesalpino ai giorni nostri. Firenze University Press, 2008. http://dx.doi.org/10.36253/978-88-8453-803-1.

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The production of this book has been made possible by the collaboration of a number of scholars and the generosity of the Arezzo Provincial Authority. It provides detailed descriptions of the contents of precious botanical collections amassed by natives of Arezzo, or simply conserved in institutions situated within the territory. The book provides an overview of both herbals of dried plants and painted herbals from the sixteenth century up to the present, starting from the one created in 1563 by the Arezzo doctor Andrea Cesalpino. The first herbal in the world to be organised through systemati

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9

Vaitkus, Milda R. Effect of western juniper on understory herbage production in Central Oregon. 1986.

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10

Alcorn, Andrew. The effect of three slurry application methods on fertilizer value of slurry and herbage production. 2002.

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Capitoli di libri sul tema "Herbage production"

1

Dahl, Bill E., and Ronald E. Sosebee. "Impact of Weeds on Herbage Production." In Noxious Range Weeds. CRC Press, 2021. http://dx.doi.org/10.1201/9780429046483-14.

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2

Grant, Sheila A., and John Hodgson. "Grazing Effects on Species Balance and Herbage Production in Indigenous Plant Communities." In Grazing Research at Northern Latitudes. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4757-5338-7_7.

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3

Lantinga, E. A., J. A. Keuning, J. Groenwold, and P. J. A. G. Deenen. "Distribution of excreted nitrogen by grazing cattle and its effects on sward quality, herbage production and utilization." In Animal Manure on Grassland and Fodder Crops. Fertilizer or Waste? Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3659-1_7.

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4

Passey, H. B., V. K. Hugie, and Erasmus W. Williams. "Herbage Production and Composition Fluctuations of Natural Plant Communities as Related to Climate and Soil Taxonomic Units." In Forage Plant Physiology and Soil-Range Relationships. American Society of Agronomy, 2015. http://dx.doi.org/10.2134/asaspecpub5.c17.

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Kalra, Anup, K. Ravikanth, and M. J. Saxena. "Herbals for Animal Health and Better Production." In New Age Herbals. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8291-7_19.

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Kocyigit, Mine. "Endorphins and Some Herbal Sources That Support Endorphins." In Brain Health and Medicinal Plants. Nobel Tip Kitabevleri, 2024. http://dx.doi.org/10.69860/nobel.9786053359241.5.

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Endorphins are a type of chemical compound produced naturally in the body and are commonly known as "happiness hormones." Endorphins reduce stress, reduce pain, and promote overall well-being. Some herbal sources may support endorphin production and increase endorphin levels in the body. One of them is chocolate. Cacao can increase endorphin production due to compounds called flavonoids and phenylethylamine found in it. Additionally, capsaicin found in red peppers may also stimulate the release of endorphins. Turmeric is one of the herbal sources that support endorphin production. Thanks to it

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Gopalakrishnan, M., R. Prema, and D. Saravanan. "Nanoencapsulation Methods for Herbal-Based Antimicrobial Agents—A Sustainable Approach." In Sustainable Textiles: Production, Processing, Manufacturing & Chemistry. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0538-4_4.

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Turkyilmaz, C. "Effect of galactagogue herbal tea on breast milk production." In Handbook of dietary and nutritional aspects of human breast milk. Wageningen Academic Publishers, 2013. http://dx.doi.org/10.3920/978-90-8686-764-6_36.

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Parkunan, Thulasiraman, Mukesh Kumar Bharti, Thirumalaisamy Govindasamy, Manish Kumar, Dhinesh Kumar Ramasamy, and M. S. Mahesh. "Herbal Feed Additives and Supplements for a Sustainable Ruminant Production." In Feed Additives and Supplements for Ruminants. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-0794-2_9.

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Alamgir, A. N. M. "Cultivation of Herbal Drugs, Biotechnology, and In Vitro Production of Secondary Metabolites, High-Value Medicinal Plants, Herbal Wealth, and Herbal Trade." In Progress in Drug Research. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63862-1_9.

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Atti di convegni sul tema "Herbage production"

1

K, Gobinath V., Vinodhini C, Sivasankar J, Nitish K. S, Santhosh C, and Raghavan T. "Development of a Semi-Automated Albizia Amara Leaf Powder Maker for Enhanced Efficiency in Herbal Healthcare Production." In 2025 IEEE International Conference on Interdisciplinary Approaches in Technology and Management for Social Innovation (IATMSI). IEEE, 2025. https://doi.org/10.1109/iatmsi64286.2025.10985141.

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2

Teberdiev, Dalhat, Anna Rodionova, and Sergey Zapivalov. "HERBAGE COMPOSITION WITH REGULAR APPLICATION OF FERTILIZERS." In Multifunctional adaptive fodder production. Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-24-72-19-23.

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The role of the level of intensification on the composition of the herbage in the long-term research of the Institute is determined. Based on the analysis of the results of long-term use of herbage on sod-podzolic soils under different conditions of the nutritional regime, the regularity of the formation of various types of herbage is established. In the absence of top-dressing and when using low doses of fertilizers, pasture-type herbage is formed with the predominance of grass-roots types of grasses. Highly productive grass of the haymaking type is preserved against the background of the use

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Kovshova, Valentina, Anna Smirnova, and Nadezhda LUZYaNINA. "EFFECT OF MINERAL FERTILIZERS ON THE BOTANICAL COMPOSITION, QUALITY AND PRODUCTIVITY OF PASTURE HERBAGE." In Multifunctional adaptive fodder production. Federal Williams Research Center of Forage Production and Agroecology, 2024. http://dx.doi.org/10.33814/mak-2023-32-80-117-123.

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The role of mineral fertilizer of a long-term pasture herbage located on a low-lying drained peat bog in preserving the valuable composition of the herbage, increasing its quality characteristics and productivity over a long period (88 years) is shown without additional capital investments for improvement.

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Zhezmer, Natalya. "Quality of herbal raw material of different-maping multiple agrocenoses for silage." In Multifunctional adaptive fodder production 29 (77). Federal Williams Research Center of Forage Production and Agroecology, 2022. http://dx.doi.org/10.33814/mak-2022-29-77-32-38.

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The data and assessment of the quality of herbal raw materials from cereal herbs are presented. The grassy mass is intended for harvesting haylage obtained from agrocenoses of the 24–28th years of use. It has been established that early herbage in all three cuttings and mid-ripening agrocenoses in the second and third cuttings ensure the preparation of haylage of the first and second classes. In the first mowing of medium herbage, the raw mass corresponds to the third class. An exception is the receipt of non-class raw materials (7% of all cuttings) in cold and dry 2017. For guaranteed harvest

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Smirnova, Anna. "INFLUENCE OF MINERAL AND ORGANIC FERTILIZER SYSTEMS ON PRODUCTIVITY OF LONG-TERM PASTURE HERBAGE." In Multifunctional adaptive fodder production. Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-24-72-39-43.

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The results of research conducted on a long-term cultural pasture, used without re-grazing the grass for grazing production herds since 1935. The use of mineral and organic fertilizers on this herbage makes it possible to ensure an uninterrupted supply of high-quality green mass in the spring and summer period and to preserve mainly cultivated grasses in the herbage, which are well eaten by cattle.

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Lazarev, Nikolay, and Sergey Avdeev. "Long-term use of sown meadows." In Multifunctional adaptive fodder production 29 (77). Federal Williams Research Center of Forage Production and Agroecology, 2022. http://dx.doi.org/10.33814/mak-2022-29-77-39-45.

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Long-term studies over 24 years have shown that variable alfalfa of the Pastbishchnaya 88 variety on well-cultivated soddy-podzolic soil can form stable agrophytocenoses, providing for the 12–15th years life with two- and three-fold mowing, the yield is 5,71 and 3,92 t/ha of dry matter, respectively. White clover varieties VIK 70 and Nanuk formed unstable herbage. Herbage with its participation was the least productive and in old-growth herbage its share varied from 2,5 to 7,1%. The productive longevity of the red clover variety Mars was 3 years. When oversown in the sod, red clover rooted bet

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Solozhentseva, Lyudmila. "Fungal diseases of alfalfa in the non-chernozem zone of Russia and plant resistance to them." In Multifunctional adaptive fodder production. Federal Williams Research Center of Forage Production and Agroecology, 2021. http://dx.doi.org/10.33814/mak-2021-25-73-31-35.

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The article shows the importance of alfalfa for agriculture, presents the results of long-term observations (phytomonitoring) of the development of fungal diseases on the herbage of alfalfa variable, yellow (in breeding, control nurseries, competitive variety testing).

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Krasnoperov1, Andrey, and Vladimir Zarudnyy. "Restoration of pastures in the conditions of the Kaliningrad region." In Multifunctional adaptive fodder production 29 (77). Federal Williams Research Center of Forage Production and Agroecology, 2022. http://dx.doi.org/10.33814/mak-2022-29-77-26-31.

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On the production paddocks of the Mayskoye cattle farm of the Kaliningrad Research Institute of Agriculture from 1997 to 2000, over 4 years of use, the productivity of a superficially improved pasture due to the overseeding of perennial legumes and cereal grasses increased and amounted to 61.0–65.2 c/ha of dry matter, 70.2–73.7 GJ metabolic energy, 7.4–8.9 c/ha of digestible protein. Compared to grass stands, the energy intensity of nutrients decreased by 5–6 times when high doses of nitrogen were applied. The content of clovers in the pasture herbage remained at the level of 40–50%, which ful

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9

Privalova, Kira, and Ruslan Karimov. "Energy potential festulolium herbage with short-term and long-term use." In Multifunctional adaptive fodder production. Federal Williams Research Center of Forage Production and Agroecology, 2021. http://dx.doi.org/10.33814/mak-2021-25-73-101-105.

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Abstract (sommario):

The studies for the period 2004–2017, he reveals a high energy potential of pasture herbage technologies, created on the basis of domestic varieties of Festulolium VIK 90 at 6-and 14-year-old terms of use. The ratio of anthropogenic and natural factors in the production of pasture feed is given. At the same time, the leading role of renewable natural factors has been revealed: they account for 66–71% of the structure of metabolic energy production.

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10

Kasatkina, Nadezhda, and Zhanna Nelyubina. "Results of agroecological testing perennial grasses in the conditions of the Middle Urals." In Multifunctional adaptive fodder production 29 (77). Federal Williams Research Center of Forage Production and Agroecology, 2022. http://dx.doi.org/10.33814/mak-2022-29-77-64-68.

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Abstract (sommario):

Experimental data on the fodder and seed productivity of varieties of meadow timothy, awnless brome, meadow fescue with three-year use of herbage are presented. The obtained yield is justified by its structure (stem density, height, stem mass, leafiness, number and length of inflorescences, weight of 1000 seeds).

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Rapporti di organizzazioni sul tema "Herbage production"

1

Sanderson, H. Reed, Thomas M. Quigley, and Arthur R. Tiedemann. Responses of herbage and browse production to six range management strategies. U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1990. http://dx.doi.org/10.2737/pnw-rp-419.

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2

Pease, Stacy, Peter F. Ffolliott, Gerald J. Gottfried, and Leonard F. DeBano. Mesquite removal and mulching impacts on herbage production on a semidesert grass-shrub rangeland. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2006. http://dx.doi.org/10.2737/rmrs-rp-59.

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3

Goetsch, Arthur L., Yoav Aharoni, Arieh Brosh, et al. Energy Expenditure for Activity in Free Ranging Ruminants: A Nutritional Frontier. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7696529.bard.

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Abstract (sommario):

Heat production (HP) or energy expenditure for activity (EEa) is of fundamental nutritional importance for livestock because it determines the proportion of ingested nutrients available for productive functions. Previous estimates of EEa are unreliable and vary widely with different indirect methodologies. This leads to erroneous nutritional strategies, especially when intake on pasture does not meet nutritional requirements and supplementation is necessary for acceptable production. Therefore, the objective of this project was to measure EEa in different classes of livestock (beef cattle and

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4

Prada Forero, Luz Esperanza, Leidy Yibeth Deantonio Florido, and Mónica Idali Plazas Ordoñez. Composición funcional de té herbal de guayabo (Psidium guajava L.). Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2021. http://dx.doi.org/10.21930/agrosavia.video.2021.5.

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El estudio de la composición funcional del té herbal de guayabo busca mejorar el proceso y la calidad de esta reciente opción de agroindustria del cultivo. A través de esta opción se ofrece un producto que facilita la tradición de usar las hojas de guayaba en infusión o tisana para aliviar una gran variedad de dolencias.

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5

Brosh, Arieh, David Robertshaw, Yoav Aharoni, Zvi Holzer, Mario Gutman, and Amichai Arieli. Estimation of Energy Expenditure of Free Living and Growing Domesticated Ruminants by Heart Rate Measurement. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580685.bard.

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Abstract (sommario):

Research objectives were: 1) To study the effect of diet energy density, level of exercise, thermal conditions and reproductive state on cardiovascular function as it relates to oxygen (O2) mobilization. 2) To validate the use of heart rate (HR) to predict energy expenditure (EE) of ruminants, by measuring and calculating the energy balance components at different productive and reproductive states. 3) To validate the use of HR to identify changes in the metabolizable energy (ME) and ME intake (MEI) of grazing ruminants. Background: The development of an effective method for the measurement of

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