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Journal articles on the topic 'Semi-productivity'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Kojola, Ilpo, Timo Helle, and Pekka Aikio. "Productivity of semi-domesticated reindeer in Finland." Rangifer 11, no. 2 (1991): 53. http://dx.doi.org/10.7557/2.11.2.978.

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<p>In spite of a twofold increase in the density of reindeer in Finland from 1974 to 1987, meat production per reindeer increased during this period. This was possible due to calf harvesting and supplemental feeding. Results from multiple regression models indicated that calf harvesting influenced both per unit area and per capita production more than supplemental feeding. Correlation between meat production and animal density decreased with increased supplemental feeding. Traditionally, southern and central herds of reindeer fed mainly on arboreal lichens in late winter; however, due to

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Fedderke, Johannes W., and Yang Liu. "Schumpeterian and semi-endogenous productivity growth explanations." Economics of Transition 25, no. 1 (2016): 111–37. http://dx.doi.org/10.1111/ecot.12114.

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3

Rosef, Line, and Helge Bonesmo. "Seasonal variation in productivity in semi-natural grasslands." Acta Agriculturae Scandinavica, Section B - Soil & Plant Science 55, no. 1 (2005): 36–43. http://dx.doi.org/10.1080/09064710510008630.

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Prawiro, Muhammad Kadafi, and Arif Budi Witarto. "MANAJEMEN PENGELOLAAN TAMBAK IKAN BANDENG DESA LABUHAN KURIS KECAMATAN LAPE KABUPATEN SUMBAWA." Distribusi - Journal of Management and Business 8, no. 1 (2020): 93–104. http://dx.doi.org/10.29303/distribusi.v8i1.112.

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Many pond farmers cultivate milkfish by using traditional and semi-intensive system, whereas the difference of system used will generate the difference of farmer's revenue. The aim of this research is to know the comparison of milkfish pond's productivity level by traditional and semi-intensive system in Labuhan Kuris, Lape subdistrict. Sampling technique applies Purpose Sampling method and data analysis method be used is Mann-Whimey U-test. The result of average test of milkfish pond's productivity data within traditional and semi-intensive system gets p value < 0.05 means that there is si

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Van Wettere, Niek. "Productivity of French and Dutch (semi-)copular constructions and the adverse impact of high token frequency." International Journal of Corpus Linguistics 26, no. 3 (2021): 396–428. http://dx.doi.org/10.1075/ijcl.19043.van.

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Abstract This paper examines the productivity of the subject complement slot in a set of French and Dutch (semi-)copular micro-constructions. The presumed counterpart of productivity, conventionalization in the form of high token frequency, will also be taken into account in the analysis of the productivity complex. On the one hand, it will be shown that prototypical copulas generally have a higher productivity than semi-copulas, although there are some semi-copulas that can rival the productivity of prototypical copulas. On the other hand, it will be demonstrated that high token frequency is

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Sufian, Fadzlan, and Fakarudin Kamarudin. "Forced Mergers on Bank Efficiency and Productivity: Evidence from Semi-parametric Malmquist Productivity Index." Global Business Review 18, no. 1 (2017): 19–44. http://dx.doi.org/10.1177/0972150916666850.

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The paper examines the impact of mergers and acquisitions on the productivity of the Malaysian banking sector. The analysis consists of two stages. Firstly, the semi-parametric Malmquist productivity index (MPI) method is applied to a [-5, +8] window to examine the efficiency and productivity of the acquiring and target banks during the pre- and post-merger periods. Secondly, as suggested by Banker and Natarajan (2008), we employ a battery of parametric and non-parametric univariate tests to examine the difference in the efficiency and productivity of the Malaysian banking sector during the pr

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'Ula, Mahfudlotul, and Nunung Kusnadi. "ANALISIS USAHA BUDIDAYA TAMBAK BANDENG PADA TEKNOLOGI TRADISIONAL DAN SEMI_INTENSIF DI KABUPATEN KARAWANG." Forum Agribisnis 7, no. 1 (2017): 49–66. http://dx.doi.org/10.29244/fagb.7.1.49-66.

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The low productivity of milkfish produced by traditional technology encourage the development of new farming technologies to increase productivity. Semi-intensive technology has evolved since the 2000s. However, this technology increases the cost of production because of the additional input of artificial feed. One of the regencies which produce milkfish using both traditional and semi-intensive technology is Karawang Regency. The objective of this research were to analyze profit and cost efficiency in traditional and semi-intensive techonology. The method of data collection conducted purposiv

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Azomahou, Théophile T., Bity Diene, and Mbaye Diene. "Nonlinearities in productivity growth: A semi-parametric panel analysis." Structural Change and Economic Dynamics 24 (March 2013): 45–75. http://dx.doi.org/10.1016/j.strueco.2012.05.001.

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Cortés, Lina M., Andrés Mora-Valencia, and Javier Perote. "The productivity of top researchers: a semi-nonparametric approach." Scientometrics 109, no. 2 (2016): 891–915. http://dx.doi.org/10.1007/s11192-016-2072-5.

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Sánchez, José Alberto, Juan Reca, and Juan Martínez. "Water Productivity in a Mediterranean Semi-Arid Greenhouse District." Water Resources Management 29, no. 14 (2015): 5395–411. http://dx.doi.org/10.1007/s11269-015-1125-5.

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11

Abel, Sanderson, Julius Mukarati, Pierre Le Roux, Tendai Maparara, and Nzwirashe Magomana. "Productivity duration among farmers in semi arid regions in Zimbabwe." 2018 International Conference on Multidisciplinary Research 2022 (December 30, 2022): 139–47. http://dx.doi.org/10.26803/myres.2022.11.

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This paper applied the concept of survival analysis to estimate productivity duration among A1 farmers in Zimbabwe and to identify the main factors influencing the probability of productivity. The Cox hazard model and the Weibull parametric model were applied in this study to analyse farmer productivity and a sample of 176 randomly selected farmers and a questionnaire was administered to solicit information on the wages, education level and the level of government support in terms of input subsidies. The results showed that educated farmers are more likely to be productive and take lesser time

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Casarin, Josiane Vergara, Aline Ramm, Carlos Gustavo Raasch, Cari Rejane Fiss Timm, and Márcia Wulff Schuch. "Rooting of olive minicuttings at different seasons grown in clonal minigarden." Comunicata Scientiae 9, no. 1 (2018): 41–49. http://dx.doi.org/10.14295/cs.v9i1.2525.

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The objectives were: a) to evaluate the initial development of olive ministumps in semi-hydroponic and conventional systems; b) evaluate the productivity ministumps in successive collections and the rooting of minicuttings of olive tree collected at different times of the year clonal mini garden cultivated in semi-hydroponic and conventional systems. The cultivation systems used were the semi-hydroponics and conventional, to which was evaluated for 90 days of cultivation the initial growth of ministumps. After that began the collection of plant material in cropping systems. The variables analy

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Elhag, Muna M. "Selected Farming Systems for Improving Crop Production and RainWater Productivity in Semi-Arid Zone, Sudan." Open Access Journal of Agricultural Research 8, no. 3 (2023): 1–12. http://dx.doi.org/10.23880/oajar-16000315.

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The problem of water shortages for rainfed agricultural production is due to low rainfall and uneven distribution throughout the rainy season makes rainfed agriculture a highly risk enterprise. Appropriate farming systems and soil conservation measures are the only opportunity to reduce the high risk of crops yield losses. The aim of this study was to evaluate the effect of three farming systems; Conventional Farming (CF), Conservation Agriculture (CA), and in-field rain Water Harvesting (WH); on the yield and water productivity of sorghum, sesame and cowpea crops. Field experiments were condu

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Casarin, Josiane Vergara, Roseane Maidana Moreira, Carlos Gustavo Raasch, Cari Rejane Fiss Timm, and Márcia Wulff Schuch. "Productivity and rooting of olive mini-cuttings grown in a clonal mini-garden according to season." Comunicata Scientiae 8, no. 4 (2018): 537–43. http://dx.doi.org/10.14295/cs.v8i4.2330.

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The mini-cuttings productivity in clonal mini-garden using the semi-hydroponic system is a promising technique for the olive propagation, to obtaining a satisfactory amount of cuttings and with good quality. The objective was to evaluate the mini-stumps productivity and rooting of olive mini-cuttings in successive collections at different times of year in a clonal mini-garden in a semi-hydroponic system. In each collection the productivity of the clonal mini-garden was evaluated counting the collected cuttings. The mini-cuttings were prepared with 3-5 cm long with leaf area reduced by 50% and

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15

BI, GONG-BING, JING-JING DING, YAN LUO, and LIANG LIANG. "A NEW MALMQUIST PRODUCTIVITY INDEX BASED ON SEMI-DISCRETIONARY VARIABLES WITH AN APPLICATION TO COMMERCIAL BANKS OF CHINA." International Journal of Information Technology & Decision Making 10, no. 04 (2011): 713–30. http://dx.doi.org/10.1142/s0219622011004531.

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The Malmquist productivity index studies productivity change, that is, the technical progress or regress together with the efficiency changes over time. In a nonparametric framework, the index can be estimated by data envelopment analysis (DEA). In this paper, first all inputs are divided into three groups, namely, discretionary variables, nondiscretionary variables, and semi-discretionary variables, and then a mixed integer linear model is proposed to deal with semi-discretionary variables. The proposed models consider not only the properties of semi-discretionary inputs, but also the relatio

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Hama-Aziz, Zanist, Rebwar A. Mustafa, and Hemin A. Neima. "Water productivity of drip irrigated melon in semi-arid climate." Journal of Applied Horticulture 25, no. 01 (2023): 74–78. http://dx.doi.org/10.37855/jah.2023.v25i01.13.

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Water productivity refers to the yield produced per cubic meter of fresh water for a given crop. It is not recorded for most crops in Iraq and the Kurdistan Region of Iraq (KRI), where water shortages have recently forced farmers to switch from conventional farming methods like surface irrigation on bare soil to modern farming methods like drip irrigation and mulching. This study is the first effort in Iraq and KRI to determine and report the water productivity for melons (Cucumis melo L>) grown on farms using drip irrigation and plastic mulch. Data on the production, the number of irrigati

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17

Emvalomatis, Grigorios. "Semi-parametric analysis of efficiency and productivity using Gaussian processes." Econometrics Journal 23, no. 1 (2019): 48–67. http://dx.doi.org/10.1093/ectj/utz013.

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Summary This paper proposes a fully Bayesian semi-parametric method for efficiency and productivity analysis based on Gaussian processes. The proposed technique frees the researcher from having to specify a functional form for the production frontier, and it is shown in simulated data to perform as well as flexible parametric models when correct distributional assumptions are imposed on the inefficiency component of the error term, and slightly better when incorrect assumptions are made. The technique is applied to a panel dataset of US electric utilities, where total-factor productivity growt

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LOESER, MATTHEW R., TIMOTHY E. CREWS, and THOMAS D. SISK. "Defoliation increased above-ground productivity in a semi-arid grassland." Rangeland Ecology & Management 57, no. 5 (2004): 442. http://dx.doi.org/10.2111/1551-5028(2004)057\[0442:diapia\]2.0.co;2.

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Loeser, Matthew R., Timothy E. Crews, and Thomas D. Sisk. "Defoliation Increased Above-Ground Productivity in a Semi-Arid Grassland." Journal of Range Management 57, no. 5 (2004): 442. http://dx.doi.org/10.2307/4003972.

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20

Gatenby, Ruth M. "Book Review: Increasing Small Ruminant Productivity in Semi-arid Areas." Outlook on Agriculture 18, no. 3 (1989): 140. http://dx.doi.org/10.1177/003072708901800315.

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21

Welch, Alexandra. "Termites Increase Soil Productivity in Semi-Arid and Arid Tropics." Natural Sciences Education 43, no. 1 (2014): 8–10. http://dx.doi.org/10.4195/nse2014.0002se.

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22

KAHMEN, A., J. PERNER, and N. BUCHMANN. "Diversity-dependent productivity in semi-natural grasslands following climate perturbations." Functional Ecology 19, no. 4 (2005): 594–601. http://dx.doi.org/10.1111/j.1365-2435.2005.01001.x.

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23

Wu, Jiunn-Tzong, Rudolf Tischner, and Harald Lorenzen. "Semi-circadian Oscillation of Cell Productivity in Synchronous Chlorella Culture." Biochemie und Physiologie der Pflanzen 181, no. 7 (1986): 475–80. http://dx.doi.org/10.1016/s0015-3796(86)80038-5.

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24

Kidd, David, Keven Dunn, Steve Nishimoto, Lief O'Donnell, and D. Rodriguez. "High Productivity Circuit Methodology for a Semi-Custom Embedded Processor." IEEE Transactions on Very Large Scale Integration (VLSI) Systems 19, no. 12 (2011): 2339–42. http://dx.doi.org/10.1109/tvlsi.2010.2081693.

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25

Navale, Priti, Sarita Padavi, Rohit Patil, Dhiraj Pandit, and Prof R. S. Khandare. "Design and Manufacturing Semi-Automatic Machine for Battery Tray Riveting Operation." International Journal for Research in Applied Science and Engineering Technology 11, no. 1 (2023): 1499–505. http://dx.doi.org/10.22214/ijraset.2023.48851.

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Abstract: The successful implementation of any manufacturing sector is largely depending upon the quality and its productivity. In traditional machining process for performing the one side riveting, machine’s required which becomes a time consuming also the inaccuracy in productivity due to involvement of human error which affects to productivity cannot be get improved at a faster rate. The main purpose of this project to design and manufacture semi-automatic machine for battery tray riveting. Which leads to improve the quality and productivity by minimising the time period in all Mahindra and

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Webber, Don J., Gail A. Webber, Sebastian Berger, and Peter Bradley. "Explaining productivity in a poor productivity region." Environment and Planning A: Economy and Space 50, no. 1 (2017): 157–74. http://dx.doi.org/10.1177/0308518x17735103.

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Productivity is the preferred measure of firm-level efficiency and perceived to reflect resource use rates. Semi-structured interviews with restaurant managers in a tourism-dominated low productivity rural area reveal that they are motivated to supply products that they believe in and to sustain a quality of life that meets their needs rather than striving to achieve higher productivity. Pricing strategies, managerial objectives and local market characteristics are found to radically influence the area’s productivity value. An area’s productivity value might not be an indicator of resource use

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Islamov, E., G. Kulmanova, B. Kulataev, D. Bekbaeva, D. Darkenbayuly, and P. Kulemetova. "IMPROVEMENT THE PRODUCTIVE QUALITIES OF KAZAKH MEAT-WOOL SEMI-FINE SHEEP BY USING THE ROMNEY-MARSH BREED." Scientific Notes Kazan Bauman State Academy of Veterinary Medicine 248, no. 4 (2021): 82–85. http://dx.doi.org/10.31588/2413-4201-1883-248-4-82-85.

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The article presents the wool productivity of different sex and age groups of Kazakh meat-wool semi-fine wool sheep in the south and south-east of Kazakhstan. The growth and development, meat and woolen productivity, meat and breeding qualities of purebred and kneaded lambs and yaks of the first generation of kneaded Kazakh meat-wool semi-fine sheep with the blood of Romney marsh breed have been studied.

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Farmonov, Erkin, Asil Kamilov, Irina Gorlova, Zayniddin Sharipov, and Dilshod Ro’ziyev. "Improving condition of desert pastures by planting saxaul and cherkez plants." E3S Web of Conferences 401 (2023): 04004. http://dx.doi.org/10.1051/e3sconf/202340104004.

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The article provides information on large degraded areas in almost all areas, of which 17.5 million hectares of dry natural pastures are allocated for cattle breeding out of 32 million hectares of desert and semi-desert areas in Uzbekistan. It is also noted that 40% of desert and semi-desert pastures have degraded pastures to varying degrees, the average productivity has decreased by 20-30%, and 8.0 million degraded pastures should be improved first. To improve the condition of degraded desert and semi-desert pastures, the authors noted that it is possible to increase their productivity by 10-

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Fahrul, Fahrul, Budiman Haruna, and Megawati Megawati. "ANALISIS PRODUKTIVITAS TAMBAK SEMI INTENSIF DI PT JATAYU PUTRA DEWATA." JURNAL ILMIAH RESEARCH STUDENT 2, no. 2 (2025): 986–1000. https://doi.org/10.61722/jirs.v2i2.5971.

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This study aims to analyze the productivity of semi-intensive vaname shrimp farms in PT Jatayu Putra Dewata, focusing on productivity factors, such as operational and financial aspects, fry, feed, medicine, human resources (HR), and technology. Farm productivity was measured through the efficient use of inputs (farm expenditure inputs) and outputs (shrimp yield). The results showed that regular feeding activities tailored to the growth phase of shrimp, the use of quality fry, the role of human resources, as well as the application of technology such as waterwheels and pumps, contributed to pro

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Kosina, J. "Effect of dwarfing and semi dwarfing apple rootstocks on growth and productivity of selected apple cultivars." Horticultural Science 37, No. 4 (2010): 121–26. http://dx.doi.org/10.17221/20/2010-hortsci.

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Fourteen clonal apple rootstocks (M.9, M.26, M.27, MM.106, J-TE-E, J-TE-F, J-TE-G, J-TE-H, J-OH-A, Jork 9, Pajam 1, Pajam 2, Burgmer M.9-751, and Burgmer M.9-984) were tested in two experimental orchards established in the Research and Breeding Institute of Pomology Holovousy using scion cultivars Golden Delicious, Melrose, Jonagold, Rubin, and Florina. Following characteristics were recorded: yield, trunk circumference, suckering. Rootstocks Jork 9, Pajam 1, Pajam 2, M.9-751, and M.9-984 produced better results than original rootstock M.9. Clone J-TE-E favourably affected fruit-bearing of the

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Yetik, Ali Kaan, and Burak Şen. "Optimizing Lavender (Lavandula angustifolia Mill.) Yield and Water Productivity with Deficit Irrigation in Semi-Arid Climates." Agronomy 15, no. 5 (2025): 1009. https://doi.org/10.3390/agronomy15051009.

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Irrigation optimization is critical for sustainable agriculture in water-scarce regions, particularly for drought-tolerant crops like lavender (Lavandula angustifolia Mill.), where strategic water management can enhance productivity. This study evaluated the impact of different irrigation regimes on yield, yield components, essential oil content, water productivity, and irrigation water productivity of drip-irrigated lavender under the semi-arid conditions of Niğde, Turkey, over five growing seasons (2020–2024). Treatments included full irrigation (T1), moderate deficit irrigation (T2, 33% wat

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Sufian, Fadzlan, and Fakarudin Kamarudin. "The impact of ownership structure on bank productivity and efficiency: Evidence from semi-parametric Malmquist Productivity Index." Cogent Economics & Finance 2, no. 1 (2014): 932700. http://dx.doi.org/10.1080/23322039.2014.932700.

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Piyush.M.Sagore, Rohit.A.Pimpalghare, Sanket.S.Gahukar, and A.C.Waghmare. "Research and Design of Prototype Model for Pipe Cutting Rotating Machine." Research and Reviews: Journal of Mechanics and Machines 3, no. 2 (2021): 1–3. https://doi.org/10.5281/zenodo.5141398.

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<em>The Automatic system of process plays an important role in increasing the total productivity of any Industry. It is the electrically semi-automated, mechanically designed model of semi-automatic pipe cutting rotating machine. Our main aim is to increase the productivity by decreasing the electric use, cost and increase quality and quantity of production. Quality of production is improved by processing the manual cutting operation by semi-automated rotating cutting machine. Ensuring all the condition that the repeatability of the process with accuracy and precision. This ensures maximum eli

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Theron, Johann F., and Hennie A. Snyman. "Productivity evaluation ofMedicago sativacultivars under irrigation in a semi-arid climate." African Journal of Range & Forage Science 32, no. 2 (2015): 161–71. http://dx.doi.org/10.2989/10220119.2015.1054428.

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SILVA, ANDERSON SANTOS DA, MARIANA ALVES DA COSTA, GEBER BARBOSA DE ALBUQUERQUE MOURA, PABRÍCIO MARCOS OLIVEIRA LOPES, MIGUEL JULIO MACHADO GUIMARÃES, and ANTHONY WELLINGTON ALMEIDA GOMES. "AGROMETEOROLOGICAL-SPECTRAL MODEL FOR ESTIMATING SUGARCANE PRODUCTIVITY IN BRAZILIAN SEMI-ARID." IRRIGA 26, no. 3 (2021): 490–506. http://dx.doi.org/10.15809/irriga.2021v26n3p490-506.

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This work aimed to develop an agrometeorological-spectral model, through a multiple linear regression, to estimate sugarcane productivity in the semi-arid region of Brazil. Annual agricultural yield data (2005/2006 to 2011/2012), monthly agrometeorological and spectral data (2005 to 2012) were used. In the calibration period of the model, the correlation between agrometeorological and spectral data in conformity with the real agricultural yield was the criterion chosen for the independent variables: irrigation plus rain precipitation, average air temperature, air vapor saturation deficit, and

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Talukdar, Rahim B., and Curtis P. McLaughlin. "Monitoring and improving the productivity of semi-autonomous human service units." Journal of Operations Management 5, no. 4 (1985): 375–93. http://dx.doi.org/10.1016/0272-6963(85)90020-8.

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Shvidenko, Anatoly, Dmitry Schepaschenko, Sten Nilsson, and Yuri Bouloui. "Semi-empirical models for assessing biological productivity of Northern Eurasian forests." Ecological Modelling 204, no. 1-2 (2007): 163–79. http://dx.doi.org/10.1016/j.ecolmodel.2006.12.040.

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Ryu, JuHyeong, Tasha McFarland, Bennett Banting, Carl T. Haas, and Eihab Abdel-Rahman. "Health and productivity impact of semi-automated work systems in construction." Automation in Construction 120 (December 2020): 103396. http://dx.doi.org/10.1016/j.autcon.2020.103396.

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Blank, Jos L. T., and Vivian G. Valdmanis. "Environmental factors and productivity on Dutch hospitals: a semi-parametric approach." Health Care Management Science 13, no. 1 (2009): 27–34. http://dx.doi.org/10.1007/s10729-009-9104-0.

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Kim, Donghun. "Estimation of Productivity in the KoreanElectricity Generation Sector:A Semi-Parametric Approach." Korean Journal of Economics 30, no. 1 (2023): 73–93. http://dx.doi.org/10.46228/kje.30.1.3.

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Thapa, R., M. C. Thoms, M. Parsons, and M. Reid. "Adaptive cycles of floodplain vegetation response to flooding and drying." Earth Surface Dynamics 4, no. 1 (2016): 175–91. http://dx.doi.org/10.5194/esurf-4-175-2016.

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Abstract. Flooding is a key driver of floodplain vegetation productivity. Adaptive cycles provide a model for examining the productivity of semi-arid floodplain vegetation in response to hydrology. We examined the response of vegetation productivity (measured as NDVI) through a hypothesised adaptive cycle to determine whether the cycle repeats over time and how it is affected by differently sized flood events. The area of floodplain inundation was associated with an adaptive cycle that repeated in four flood events through the following phases: wetting (exploitation phase), wet (conservation p

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Yadav, Lal Chand, Latika Sharma, G. L. Meena, Hari Singh, and Narendra Yadav. "A Comparative Growth Trend Study of Tomato in Jaipur and Sirohi District of Rajasthan, India." Journal of Scientific Research and Reports 30, no. 11 (2024): 466–74. http://dx.doi.org/10.9734/jsrr/2024/v30i112574.

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Tomato (Licopersicon esculentum) is an important crop that contributes economically and significantly to horticulture production. T The study was conducted for the period of 12 year in Jaipur and Sirohi districts of Rajasthan to analyze the growth rate in area, production, and productivity from 2010-11 to 2021-22. (Department of Horticulture, Government of Rajasthan-2022-23). For analyzing the trend in area production and productivity of tomatoes in Jaipur and Sirohi district, and Rajasthan state the following linear, semi-log, and exponential functions were tested. The tested model were selec

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Thapa, R., M. C. Thoms, M. Parsons, and M. Reid. "Adaptive cycles of floodplain vegetation response to flooding and drying." Earth Surface Dynamics Discussions 3, no. 3 (2015): 807–48. http://dx.doi.org/10.5194/esurfd-3-807-2015.

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Abstract. Flooding is a key driver of floodplain vegetation productivity. Adaptive cycles provide a model for examining the productivity of semi-arid floodplain vegetation in response to hydrology. We examined the response of vegetation productivity (measured as NDVI) through a hypothesized adaptive cycle to determine if the cycle repeats over time and how it is affected by different sized flood events. The area of floodplain inundation was associated with an adaptive cycle that repeated in four flood events through phases of wetting (exploitation phase), wet (conservation phase), drying (rele

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Lai, Xiaoming, Ying Xu, Beini Yin, Qing Zhu, Guojie Wang, and Lijuan Miao. "A comparative study on the spatio-temporal patterns and drivers of net primary productivity in three basins across different climate gradients in China." Transactions in Earth, Environment, and Sustainability 1, no. 4 (2023): 251–70. http://dx.doi.org/10.1177/2754124x241240164.

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The comparative study on terrestrial net primary productivity in regions across climate gradients may help to better understand ecosystem response to climate change, yet is relatively understudied. Therefore, in this study, we compared the spatio-temporal patterns of net primary productivity during 2010-2019 and identify the different controls in three basins with typical climates in China: the Heihe River Basin with arid and semi-arid climate, Weihe River Basin with semi-arid and semi-humid climate, and Lower Yangtze River Basin with humid climate. Results indicated that the net primary produ

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Wang, Feng, Jun Xue, Ruizhi Xie, et al. "Assessing Growth and Water Productivity for Drip-Irrigated Maize under High Plant Density in Arid to Semi-Humid Climates." Agriculture 12, no. 1 (2022): 97. http://dx.doi.org/10.3390/agriculture12010097.

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Determining the water productivity of maize is of great significance for ensuring food security and coping with climate change. In 2018 and 2019, we conducted field trials in arid areas (Changji), semi-arid areas (Qitai) and semi-humid areas (Xinyuan). The hybrid XY335 was selected for the experiment, the planting density was 12.0 × 104 plants ha−1, and five irrigation amounts were set. The results showed that yield, biomass, and transpiration varied substantially and significantly between experimental sites, irrigation and years. Likewise, water use efficiency (WUE) for both biomass (WUEB) an

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Heryadi, D. Yadi, Betty Rofatin, and Zulfikar Noormansyah. "Semi-organic Rice Farming as a Transition Period to Organic Rice Farming." Paspalum: Jurnal Ilmiah Pertanian 9, no. 1 (2021): 53. http://dx.doi.org/10.35138/paspalum.v9i1.277.

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Organic rice farming aims to achieve sustainable agriculture. It considers social, economic and environmental aspects. However, in practice, farmers experience various technical and economic constraints upon converting non-organic agriculture practice to organic rice farming. The alternative method is to implement semi-organic farming as a transitional period. The purpose of this study is to review technical / production and economic aspects of non-organic, semi-organic, and organic farming. It is conducted to determine whether semi-organic farming could be utilized as a transition period to o

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Gao, Runzhao, Hongyan Cai, and Xinliang Xu. "Analysis of Driving Factors of Cropland Productivity in Northeast China Using OPGD-SHAP Framework." Land 14, no. 5 (2025): 1010. https://doi.org/10.3390/land14051010.

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In the context of climate change and ecological degradation, enhancing cropland productivity in Northeast China is essential for ensuring national food security. This study adopted an integrated framework combining the optimal parameter-based geographical detector (OPGD) and SHapley Additive exPlanations (SHAP) to identify key drivers of average and total cropland productivity at the county level from 2001 to 2020. Growing-season-based cropland Net Primary Productivity (NPP) was estimated using the CASA model to represent cropland productivity. Results indicated that natural and ecological fac

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Dyakov, Ivan, and Valery Ivkin. "PRODUCTIVITY OF A GASODYNAMIC LOOSENER." TRANSPORT 25, no. 4 (2010): 454–59. http://dx.doi.org/10.3846/transport.2010.56.

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Maximum loads for a semi plane weakened by an aperture under uniform pressure were investigated for elaborating a mechanism for frozen ground destruction applying a recently designed loosener. Recommendations concerning the calculation of loosener productivity depending on the accepted technological scheme are given.

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Ma, Zhenbang, and Huichun Sun. "Harnessing the Power of Mechanization: A Multivalued Treatment Effect Analysis on Productivity for Chinese Smallholders." Land 13, no. 12 (2024): 2211. https://doi.org/10.3390/land13122211.

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Developing countries, in their pursuit of the Sustainable Development Goals, are intensifying their efforts to promote agricultural mechanization, with China at the forefront, through comprehensive policy revisions aimed at enhancing mechanization levels. This study employs multivalued treatment effect (MVTE) and quantile treatment effect (QTE) methodologies to assess the impact of agricultural mechanization on labor and land productivity while also examining the seffects across different farm sizes and moderating influences. Leveraging data from the 2016 China Labor-force Dynamics Survey, the

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KOMENDANTSKAYA, EKATERINA, and YUE LI. "Productive corecursion in logic programming." Theory and Practice of Logic Programming 17, no. 5-6 (2017): 906–23. http://dx.doi.org/10.1017/s147106841700028x.

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AbstractLogic Programming is a Turing complete language. As a consequence, designing algorithms that decide termination and non-termination of programs or decide inductive/coinductive soundness of formulae is a challenging task. For example, the existing state-of-the-art algorithms can only semi-decide coinductive soundness of queries in logic programming for regular formulae. Another, less famous, but equally fundamental and important undecidable property is productivity. If a derivation is infinite and coinductively sound, we may ask whether the computed answer it determines actually compute

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