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Articoli di riviste sul tema "Yield"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Gupta, M. L., and R. C. Gautam. "Effect of Source and Rate of Phosphorus on Yield and Yield Attributes of Rice." International Rice Research Newsletter 13, no. 3 (1988): 27. https://doi.org/10.5281/zenodo.7136056.

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Abstract (sommario):

This article 'Effect of Source and Rate of Phosphorus on Yield and Yield Attributes of Rice' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.

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2

Ganesan, K., W. W. Manuel, and T. Sundaram. "Analysis of Yield and Yield Components in Rice." International Rice Research Notes 20, no. 1 (1995): 4. https://doi.org/10.5281/zenodo.6999370.

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Abstract (sommario):

This article 'Analysis of Yield and Yield Components in Rice' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems. The series is a mechanism to help scientists keep each other informed of current rice research findings. The concise scientific notes are meant to encourage rice scientists to communicate with one another to obtain details on the research reported.

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3

Zhang, X. G., and Y. K. Huang. "Effect of Seedlings Hill on Individual Rice Plant Yield and Yield Components." International Rice Research Newsletter 15, no. 4 (1990): 21–22. https://doi.org/10.5281/zenodo.7179491.

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This article 'Effect of Seedlings/Hill on Individual Rice Plant Yield and Yield Components' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.

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4

Sreekumar, S. G., V. G. Nair, and R. B. Asan. "Effect of Planting Overage Seedlings on Rice Duration, Yield, and Yield Attributes." International Rice Research Newsletter 13, no. 6 (1988): 29–30. https://doi.org/10.5281/zenodo.7146274.

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Abstract (sommario):

This article 'Effect of Planting Overage Seedlings on Rice Duration, Yield, and Yield Attributes' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.

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5

Bisht, P. S., R. Puniya, P. C. Pandey, and D. K. Singh. "Grain yield and yield components of rice as influenced by different crop establishment methods." International Rice Research Notes 32, no. 2 (2007): 33–34. https://doi.org/10.5281/zenodo.6955835.

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Abstract (sommario):

This article 'Grain yield and yield components of rice as influenced by different crop establishment methods' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems. The series is a mechanism to help scientists keep each other informed of current rice research findings. The concise scientific notes are meant to encourage rice scientists to communicate with one another to obtain details on the research rep

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6

Afsana, N., and Z. Islam. "Effects of the ladybird beetle Micraspis discolor on yield components and grain yield of rice." International Rice Research Notes 26, no. 2 (2001): 43–44. https://doi.org/10.5281/zenodo.6955045.

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This article 'Effects of the ladybird beetle Micraspis discolor on yield components and grain yield of rice' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems. The series is a mechanism to help scientists keep each other informed of current rice research findings. The concise scientific notes are meant to encourage rice scientists to communicate with one another to obtain details on the research repo

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7

Sitaramaiah, K. V., Ch. V. Rani, and N. S. Reddi. "Standard heterosis of rice hybrids for yield and yield components." International Rice Research Notes 23, no. 2 (1998): 15. https://doi.org/10.5281/zenodo.6947851.

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Abstract (sommario):

This article 'Standard heterosis of rice hybrids for yield and yield components' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems. The series is a mechanism to help scientists keep each other informed of current rice research findings. The concise scientific notes are meant to encourage rice scientists to communicate with one another to obtain details on the research reported.

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8

Suprihatno, B., and B. Sutaryo. "Yield and Yield Components of Some New Rice Hybrids Derived From IR58025 a and IR62829 a in Indonesia." International Rice Research Notes 18, no. 1 (1993): 19. https://doi.org/10.5281/zenodo.6822461.

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This article 'Yield and Yield Components of Some New Rice Hybrids Derived From IR58025 a and IR62829 a in Indonesia' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems. The series is a mechanism to help scientists keep each other informed of current rice research findings. The concise scientific notes are meant to encourage rice scientists to communicate with one another to obtain details on t

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9

Alam, S. M. "Effect of Azolla and N on Rice Grain and Straw Yield." International Rice Research Newsletter 14, no. 6 (1989): 21. https://doi.org/10.5281/zenodo.7155988.

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Abstract (sommario):

This article 'Effect of Azolla and N on Rice Grain and Straw Yield' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.

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10

MUNDAN, Durhasan, Reşit DEMİR, and Esma PAYDAŞ. "İvesi Koyunlarda Kontrol Günü Verimlerinden Yararlanarak Laktasyon Verimini Tahmin Etme Metotları." Journal of Advances in VetBio Science and Techniques 7, no. 2 (2022): 153–60. http://dx.doi.org/10.31797/vetbio.1056967.

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The objective of this study was to determine the effect of various milk control methods on prediction accuracy of lactation milk yield for Awassi sheep. Different control methods (Sweden, Vogel, Holland I, Holland II, Trapeze I, Trapeze II and State Production Farm methods) and control periods (14th, 21st, 28th, 42nd and 56th day) used to determine lactation milk yield were compared. The data of the research was created within the scope of the "National Project of Small Ruminant Animal Breeding in the Hands of the People" in 2018 and a total of 3173 sheep records belonging to 31 enterprises we

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11

Kulla, L., J. Tutka, and R. Marušák. "Forest yield index and its applicability to the assessment of future forest yields." Journal of Forest Science 55, No. 1 (2009): 41–50. http://dx.doi.org/10.17221/45/2008-jfs.

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The paper suggests and examines a simplified relative indicator of forest production, with special regard to possibilities of its use in projecting future forests. Forest yield index (<I>I</I><sub>Y</sub>), based on an economic parameter “value of final cutting yield” was proposed, and examined in the model territory of Kysuce in north-western Slovakia. The current values of final cutting yield, dependent on tree species, site index and the length of rotation period served as a basis for the assessment of expected yields. The possibilities and limitations of index appli

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12

Kucharik, Christopher J., Tanjona Ramiadantsoa, Jien Zhang, and Anthony R. Ives. "Spatiotemporal trends in crop yields, yield variability, and yield gaps across the USA." Crop Science 60, no. 4 (2020): 2085–101. http://dx.doi.org/10.1002/csc2.20089.

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13

Gowda, N. A. J., P. S. Herle, and K. B. Rao. "Impact of Level and Source of Slow Release N Fertilizers on Rice Yield and Yield Components." International Rice Research Newsletter 12, no. 5 (1987): 37. https://doi.org/10.5281/zenodo.7127957.

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This article 'Impact of Level and Source of Slow Release N Fertilizers on Rice Yield and Yield Components' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the wo

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14

Jubinski, Daniel, and Amy F. Lipton. "Equity volatility, bond yields, and yield spreads." Journal of Futures Markets 32, no. 5 (2011): 480–503. http://dx.doi.org/10.1002/fut.20521.

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15

Yustisia, Yustisia, NP Sri Ratmini, J. Amirrullah, Y. Juwita, YPAP Hutabarat, and Atekan Atekan. "Yield Components and Efficiency Index of Maize Yield: Relationship to Yields in Tidal Fields." Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 10, no. 2 (2021): 140–49. http://dx.doi.org/10.36706/jlso.10.2.2021.522.

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Identification of the advantages of hybrid maize lines is needed to support the increased production and development of maize in tidal fields. This study aimed to identify the agronomic characters and yield components of hybrid maize lines/varieties and their relationship with high yield and efficient fertilization in tidal fields. The design used was a Split Plot with three replications. The Main Plot was a hybrid maize line/variety (L39/MR4, MGOLD/G8, G28/MGOLD, P27). The subplots were Composite Fertilizer with 2 measures, namely 600 kg/ha and 720 kg/ha. The fertilizers of Urea (50%), SP 36

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16

Reddy, T. Y., and K. Bharghavi. "Effect of Time and Method of Application of Herbicides on Yield and Yield Components of Rainfed Lowland Rice." International Rice Research Newsletter 14, no. 4 (1989): 39. https://doi.org/10.5281/zenodo.7146936.

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This article 'Effect of Time and Method of Application of Herbicides on Yield and Yield Components of Rainfed Lowland Rice' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce

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17

Islam, M. S., S. B. Peng, M. S. Bhuiya, and S. M. A. Hossain. "Effect of time of artificial lodging and genotype on the yield and yield components of hybrid rice." International Rice Research Notes 34 (January 1, 2009): 5. https://doi.org/10.5281/zenodo.6880370.

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This article 'Effect of time of artificial lodging and genotype on the yield and yield components of hybrid rice.' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems. The series is a mechanism to help scientists keep each other informed of current rice research findings. The concise scientific notes are meant to encourage rice scientists to communicate with one another to obtain details on the

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18

Ma, Pengcheng, Na Zhang, Yunhai Yang, Zeping Wang, Guodong Li, and Zhishan Fu. "Forecast of Sugarcane Yield in Chongzuo, Guangxi—LSTM Model Based on Fusion of Trend Yield and Meteorological Yield." Agronomy 14, no. 11 (2024): 2512. http://dx.doi.org/10.3390/agronomy14112512.

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Purpose: This paper develops a high-precision yield fusion prediction model for the sugarcane industry in Chongzuo, Guangxi, based on the trend yield and meteorological yield using the long short-term memory (LSTM) model to cope with the multiple factors affecting sugarcane production. Decision support is provided to agricultural producers, policymakers, and supply chain managers so that they can plan resource allocation, market strategies, and policy directions more effectively. Methods: The paper modeled trend yield and weather yield separately to explore the complex relationship between the

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19

Fabellar, L. T., N. G. Fabellar, and K. L. Heong. "Simulating Rice Leaffolder Feeding Effects on Yield Using Macros." International Rice Research Notes 19, no. 2 (1994): 7–8. https://doi.org/10.5281/zenodo.6823592.

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Abstract (sommario):

This article 'Simulating Rice Leaffolder Feeding Effects on Yield Using Macros' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems. The series is a mechanism to help scientists keep each other informed of current rice research findings. The concise scientific notes are meant to encourage rice scientists to communicate with one another to obtain details on the research reported.

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20

NeSmith, D. S. "Plant Spacing Influences Watermelon Yield and Yield Components." HortScience 28, no. 9 (1993): 885–87. http://dx.doi.org/10.21273/hortsci.28.9.885.

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Watermelon [Citrullus lanatus (Thunb.) Matsum & Nakai] cultivars StarBrite and Crimson Sweet were grown during 1991 and 1992 in rows 1.5 m apart at plant spacings of 0.9, 1.5, or 2.2 m. Total fruit yield, marketable fruit yield, fruit-weight distribution, and estimated gross returns were determined for each spacing treatment. Total and marketable fruit yields were greater overall for `StarBrite' than for `Crimson Sweet'. Except for 1991 `Crimson Sweet' yields, marketable fruit yields per unit land area increased 29% to 34% as plant spacing decreased from 2.2 to 0.9 m. The yield component c

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21

Assefa, Banchayehu Tessema, Jordan Chamberlin, Pytrik Reidsma, João Vasco Silva, and Martin K. van Ittersum. "Unravelling the variability and causes of smallholder maize yield gaps in Ethiopia." Food Security 12, no. 1 (2019): 83–103. http://dx.doi.org/10.1007/s12571-019-00981-4.

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AbstractEthiopia has achieved the second highest maize yield in sub-Saharan Africa. Yet, farmers’ maize yields are still much lower than on-farm and on-station trial yields, and only ca. 20% of the estimated water-limited potential yield. This article provides a comprehensive national level analysis of the drivers of maize yields in Ethiopia, by decomposing yield gaps into efficiency, resource and technology components, and accounting for a broad set of detailed input and crop management choices. Stochastic frontier analysis was combined with concepts of production ecology to estimate and expl

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22

Fatih, KILLI, and BEYCIOGLU Tahsin. "Yield and Yield Parameters of 46 Cotton (Gossypium spp.) Cultivars under Kahramanmaras (Turkey) Conditions." International Journal of Environmental & Agriculture Research 6, no. 8 (2020): 13–18. https://doi.org/10.5281/zenodo.4009009.

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<strong><em>Abstract</em></strong><strong><em>—</em></strong> <em>Variety yield and adaptation studies are of great importance in increasing cotton production and cultivation. This work was carry out to determine yield(seed cotton and fiber) and yield parameters (plant height, sympodial branches, boll number, seed cotton weight, 100 seed weight and ginning outturn) of 46 cotton genotypes, two of which belong to barbadense and forty-four of hirsutum species, under east Mediterranean ecological conditions of Kahramanmaras – Turkey in 2013 and 2014. According to the analysis of varian

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23

Florence, Wairimu Ndungu, Kagiki Njogu Martin, and Kingori Gathungu Geoffrey. "Analysis of socioeconomic characteristics on coffee yield gap among smallholder farmers in Nyeri Central sub-county, Kenya." World Journal of Advanced Research and Reviews 23, no. 3 (2024): 2304–11. https://doi.org/10.5281/zenodo.14964663.

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Kenya’s coffee production has been declining over the years leading to decreased yields and making it hard for farmers to benefit from the sector. This has resulted in a considerable yield difference, with actual farmer yields far below the potential yields of station trials. This large yield gap reveals an enormous potential for yield improvement in coffee production. However, the large yield gap may be attributed to several factors, yet there is limited quantitative information on site-specific factors and the yield gap attributed to the factors. This study informs the knowledge gap by

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24

Abdalbagi, Salma I., and Maarouf I. Mohammed. "Assessing Ethanol Yield from Fermented Juice of Local and Exotic Sweet Sorghum Varieties Grown in Sudan." Journal of Horticulture and Plant Research 12 (March 2021): 11–17. http://dx.doi.org/10.18052/www.scipress.com/jhpr.12.11.

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An experiment was conducted in 2017 at Alwaha Project, Khartoum State to study the potential of ethanol yield from fermented juice of local and exotic sweet sorghums. 40 genotypes were arranged in RCB design. Juice yield, ethanol yield as percentage of fermented juice, actual and theoretical ethanol yields were studied. The Baker’s yeast (Saccharomyces cerevisiae) was used in the fermentation process. ANOVA tests, correlation and regression analysis of actual vs theoretical ethanol yield were performed. Significant differences were detected among genotypes for ethanol yields. High ethanol yiel

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25

Y.A, NANJA REDDY, PRASAD T.G, and UDAYA KUMAR M. "GENOTYPIC VARIATION IN YIELD ATTRIBUTES AND YIELD OF RICE." Madras Agricultural Journal 82, April (1995): 310–13. http://dx.doi.org/10.29321/maj.10.a01196.

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Experiment was carried out to bring out the genotypic variations from a broad genetic base and to utilise the best attribute in achieving higher grain yields. The results indicated significant genotypic differences in yield attributes and yield. The association analysis showed a significant positive relationship of grain yield with productive tillers, filled grain number per panicle, 1000 grain weight and harvest index. Among the yield attributes productive tillers, filled grain number per panicle and harvest index contributed to a greater extent in achieving the productivity. This indicates,

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26

Terzić, Dragan, Vera Đekić, Jelena Milivojević, et al. "Yield components and yield of winter wheat in different years of research." Biologica Nyssana, Journal of Biological Sciences 9, no. 2 (2019): 119–31. https://doi.org/10.5281/zenodo.2538604.

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Field trial with wheat varieties Perfekta, KG 56S, Aleksandra and Vizija was set on vertisol-type soil during the vegetation season 2010/11 and 2011/12. The aim of the research was to analyse the yield and grain yield components in four varieties of wheat cultivated on acid soil. The highest values of yield components and grain quality were established in the year with moderate temperatures and high precipitation in the vegetation year 2010/11. The KG 56S and Vizija varieties had the highest yield of grain, the highest number of plants and spikes per m2. The Perfekta variety showed the highest

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27

Suarez, E., R. Alfonso, R. Perez, and J. Iglesias. "Correlation Between Yield and Its Components in Upland Rice in Cuba." International Rice Research Newsletter 14, no. 3 (1989): 10. https://doi.org/10.5281/zenodo.6999352.

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This article 'Correlation Between Yield and Its Components in Upland Rice in Cuba' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.

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28

Wang, Chong, Jiangang Liu, Shuo Li, et al. "Diagnosing the Climatic and Agronomic Dimensions of Rain-Fed Oat Yield Gaps and Their Restrictions in North and Northeast China." Sustainability 11, no. 7 (2019): 2104. http://dx.doi.org/10.3390/su11072104.

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Confronted with the great challenges of globally growing populations and food shortages, society must achieve future food security by increasing grain output and narrowing the gap between potential yields and farmers’ actual yields. This study attempts to diagnose the climatic and agronomic dimensions of oat yield gaps and further to explore their restrictions. A conceptual framework was put forward to analyze the different dimensions of yield gaps and their limiting factors. We quantified the potential yield (Yp), attainable yield (Yt), experimental yield (Ye), and farmers’ actual yield (Ya)

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29

Zymaroieva, Anastasiia, Tetiana Fedoniuk, Svitlana Matkovska, Olena Andreieva, and Victor Pazych. "Agroecological Determinants of Potato Spatiotemporal Yield Variation at the Landscape Level in the Central and Northern Ukraine." Grassroots Journal of Natural Resources 4, no. 2 (2021): 34–47. http://dx.doi.org/10.33002/nr2581.6853.040203.

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Global food security largely depends on the crop yield increase, so the study of the yield-limiting factors of potato (the second bread) is a pressing issue today. This study determines the contribution of the agroecological factors, namely, bioclimatic variables, soil indicators, and factors of landscape diversity, to the variation in potato yields. Conducted in Polissya and Forest-steppe zones of Ukraine during 1991–2017, this study has not only addressed the relationship between ecological determinants and potato yields, but also considered crop yields as a dynamic system. The dynamics of p

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30

Anastasiia, Zymaroieva, Fedoniuk Tetiana, Matkovska Svitlana, Andreieva Olena, and Pazych Victor. "Agroecological Determinants of Potato Spatiotemporal Yield Variation at the Landscape Level in the Central and Northern Ukraine." Grassroots Journal of Natural Resources 4, no. 2 (2021): 34–47. https://doi.org/10.33002/nr2581.6853.040203.

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Global food security largely depends on the crop yield increase, so the study of the yield-limiting factors of potato (the second bread) is a pressing issue today. This study determines the contribution of the agroecological factors, namely, bioclimatic variables, soil indicators, and factors of landscape diversity, to the variation in potato yields. Conducted in Polissya and Forest-steppe zones of Ukraine during 1991–2017, this study has not only addressed the relationship between ecological determinants and potato yields, but also considered crop yields as a dynamic system. The dynamic

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31

Slafer, GA, and GC Kernich. "Have changes in yield (1900-1992) been accompanied by a decreased yield stability in Australian cereal production?" Australian Journal of Agricultural Research 47, no. 3 (1996): 323. http://dx.doi.org/10.1071/ar9960323.

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Regression analyses of the relationships between yield and time over the last century were conducted for wheat, barley, oats, maize, and rice at a national level and those for the three winter cereals in New South Wales (NSW), Victoria (Vic), South Australia (SA), Western Australia (WA), and Queensland (Qld). The fitted function accounts for the impact of agronomic improvement on yield and the residuals stand for the variability of yield beyond this impact. Another measure of the stability was obtained by considering the residuals as a proportion of actual yield ('relative residuals'). Crops v

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32

SAINI, ANKIT, SANDEEP MANUJA, SURESH KUMAR, R. G. UPADHYAY, and CHINMAYA SAHOO. "Response of tillage methods on yield of wheat (Triticum aestivum) cultivars." Indian Journal of Agricultural Sciences 95, no. 5 (2025): 589–94. https://doi.org/10.56093/ijas.v95i5.136736.

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The present experiment was conducted during winter (rabi) seasons of 2019–20 and 2020–21 at Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya, Palampur, Himachal Pradesh, to assess the impact of tillage and farming practices on the crop yield and yield attributes of three wheat (Triticum aestivum L.) cultivars. Two-year results show that conventional tillage produced significantly higher grain yields (4,469 kg/ha), straw yields (6,257 kg/ha), and biological yields (10,726 kg/ha) than natural farming treatment, which produced lower grain yields (1,646 kg/ha), straw yields (2,597 kg

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33

Asthir, Bavita, Shashi Bala, and Navtej Singh Bains. "Effect of Terminal Heat Stress on Yield and Yield Attributes of Wheat." Indian Journal of Applied Research 4, no. 6 (2011): 1–2. http://dx.doi.org/10.15373/2249555x/june2014/1.

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D. Malath, D. Malath, and P. Gomathinayagam P. Gomathinayagam. "Correlation Analysis for Yield and Yield Contributing Characters Involving in Aerobic Rice." International Journal of Scientific Research 2, no. 10 (2012): 1–2. http://dx.doi.org/10.15373/22778179/oct2013/159.

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35

Santiago, G. C., E. G. Rubia, V. P. Gapud, H. D. Justo, and S. R. Obien. "Effect of rice armyworm Mythimna separata (Walker) on grain yield of rice." International Rice Research Notes 22, no. 2 (1997): 43. https://doi.org/10.5281/zenodo.7247135.

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This article 'Effect of rice armyworm Mythimna separata (Walker) on grain yield of rice' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems. The series is a mechanism to help scientists keep each other informed of current rice research findings. The concise scientific notes are meant to encourage rice scientists to communicate with one another to obtain details on the research reported.

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36

Ramasamy, S., S. Krishnasamy, and G. S. Thangamuthu. "Relationship of Seedling Shoot and Root Lengths and Root Number to Rice Yield and Yield Attributes." International Rice Research Newsletter 15, no. 4 (1990): 7. https://doi.org/10.5281/zenodo.7179384.

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This article 'Relationship of Seedling Shoot and Root Lengths and Root Number to Rice Yield and Yield Attributes' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in

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37

Grant, C. A., and L. D. Bailey. "Interactions of zinc with banded and broadcast phosphorus fertilizer on the dry matter and seed yield of oilseed flax." Canadian Journal of Plant Science 73, no. 1 (1993): 7–16. http://dx.doi.org/10.4141/cjps93-003.

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Abstract (sommario):

Field experiments at four sites over 3 yr evaluated the effect of banded and broadcast application of fertilizer P, with and without application of Zn on dry matter yield at flowering, and seed yield of flax. Application of P fertilizer increased dry matter yield and seed yield on a number of soils even when crop growth and yield were restricted by extremely dry conditions. Banded P was more effective than broadcast or residual P in increasing flax yields. Increases in yield due to Zn application were infrequent and showed no definite relation to soil Zn or P. Increases in yields with Zn appli

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38

Kwesiga, Julius, Kristina Grotelüschen, Kalimuthu Senthilkumar, Daniel Neuhoff, Thomas F. Döring, and Mathias Becker. "Rice Yield Gaps in Smallholder Systems of the Kilombero Floodplain in Tanzania." Agronomy 10, no. 8 (2020): 1135. http://dx.doi.org/10.3390/agronomy10081135.

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Abstract (sommario):

To meet the growing rice demand in Africa, gaps between actual and attainable yields have to be reduced. In Tanzania, this particularly concerns smallholder rain-fed production systems in the floodplains. After quantifying the existing yield gaps, key contributing factors need to be analyzed to improve site-specific management. Field experiments were conducted for three years and in three pedo-hydrological environments (fringe, middle, and center positions) of the Kilombero floodplain to evaluate: (1) The grain yield under farmers’ management (actual yield), (2) yield with the best-recommended

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39

Gao, Yakun, Yinli Bi, Shaopeng Ma, et al. "Yields of Buckwheat and Alfalfa in an Intercropping System Inoculated with Dark Septate Endophytes in a Coal Mining Subsidence Dryland Area." Agronomy 12, no. 11 (2022): 2860. http://dx.doi.org/10.3390/agronomy12112860.

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Abstract (sommario):

Coal mining subsidence areas in north Shaanxi province in north China are commonly low-fertility drylands, and intercropping is a popular method locally of maximizing crop yields. Inoculation with dark septate endophytes (DSE) can increase the yields of conventional crops grown in monoculture, but the effects of DSE on the growth and yield of intercropped plants are unknown. Here, a field experiment was conducted in a coal mining subsidence area on the loess plateau in 2020 and 2021. The two crops were buckwheat and alfalfa, with four treatments for each crop: sole cropping control, sole cropp

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40

Pu, Luoman, Shuwen Zhang, Jiuchun Yang, Liping Chang, and Shuting Bai. "Spatio-Temporal Dynamics of Maize Potential Yield and Yield Gaps in Northeast China from 1990 to 2015." International Journal of Environmental Research and Public Health 16, no. 7 (2019): 1211. http://dx.doi.org/10.3390/ijerph16071211.

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Abstract (sommario):

Maize yield has undergone obvious spatial and temporal changes in recent decades in Northeast China. Understanding how maize potential yield has changed over the past few decades and how large the gaps between potential and actual maize yields are is essential for increasing maize yield to meet increased food demand in Northeast China. In this study, the spatial and temporal dynamics of maize potential yield in Northeast China from 1990 to 2015 were simulated using the Global Agro-ecological Zones (GAEZ) model at the pixel level firstly. Then, the yield gaps between actual and potential yields

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41

Adjebeng-Danquah, Joseph, Kwabena Acheremu, Emmanuel Boache Chamba, et al. "Genotypic variability and genetic parameters for root yield, dry matter and related traits of cassava in the Guinea Savannah ecological zone of Ghana." Archives of Agriculture and Environmental Science 8, no. 3 (2023): 310–18. http://dx.doi.org/10.26832/24566632.2023.080306.

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Abstract (sommario):

The aim of this study was to assess the agronomic performance and genetic parameters governing storage root yield and related traits in cassava genotypes in order to identify superior genotypes. The study involved 18 elite cassava genotypes which were arranged in a randomized complete block design with three replications and assessed for storage root yield and yield components (12 months after planting) in the Guinea savannah ecology of Ghana for three seasons. Analysis of variance indicated significant (p < 0.05) genotype and year main effects for fresh and dry root yields, dry matter cont

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42

Mustatfa, Shnrwe Bakir, and Rozhgar Mustafa Ahmed. "Influence of various fertilizer types on yield and component traits of black cumin." Journal of Kerbala for Agricultural Sciences 10, no. 3 (2023): 172–83. http://dx.doi.org/10.59658/jkas.v10i3.1250.

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Abstract (sommario):

Two experiments were conducted in the autumn season of 2019-2020 to investigate the impact of two species belonging to the Nigella genus under various fertilization conditions. Both experiments followed the Randomized Complete Block Design (RCBD) and were replicated three times at the Qlyasan and Kanipanka location. The results of the average of both locations, it was observed that N. sativa outperformed N. arvensis in terms of seed yield, fixed oil yield and essential oil yield, achieving 607, 138, and 8 kg ha-1, respectively. Notably, when a 2% organic manure application was utilized, higher

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43

Bekele, Bewket Getachew. "Review on Yield Gap Analysis: Modeling of Achievable Yields at Farm Level." European Journal of Agriculture and Forestry Research 10, no. 2 (2022): 21–27. http://dx.doi.org/10.37745/ejafr.2013/vol9n22127.

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Abstract (sommario):

In the present context, ‘model’ is expressed as a computer program that can be repeatedly run several times for computing several designed mathematical or statistical expressions (equations) governing crop growth-environment relations, given appropriate input data. The experiment station yields obtained under a rainfed situation without any nutrient deficiency mostly considered as the potential yields of rainfed crops. Actual yields are obtained by recording crop yields of farmers in the region under investigation and achievable yield is between actual and potential yield. Actual yields are co

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44

Ferrari, Thomas E. "Use Yield Ratios to Evaluate Effects of Supplemental Pollination on Crop Production." HortScience 33, no. 3 (1998): 492b—492. http://dx.doi.org/10.21273/hortsci.33.3.492b.

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Abstract (sommario):

The environment caused large fluctuations in almond yields from year-to-year, which confounded analysis of pollination treatments performed in the field. Following the practice of supplemental pollination, there was insufficient improvement in yield to indicate that extra pollen applied to honey bees affected nut production. However, when yield for a cultivar exposed to extra pollen was compared to an untreated, reference cultivar grown in the same field, a statistically significant increase in yield was detected. Coefficients of variation for yield ratios averaged 54% lower than for yields al

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45

Gill, N. A. "Effect of Fertilizers on Yield and Yield Components of Medium Deep Water Rice Culture in Northern Nigeria." International Rice Research Newsletter 10, no. 2 (1985): 7. https://doi.org/10.5281/zenodo.7008711.

Testo completo

Abstract (sommario):

This article 'Effect of Fertilizers on Yield and Yield Components of Medium Deep Water Rice Culture in Northern Nigeria' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nat

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46

Gravois, KA, and RS Helms. "Effect of uneven emergence on rice yield, milling yield, and yield components." Australian Journal of Experimental Agriculture 34, no. 7 (1994): 949. http://dx.doi.org/10.1071/ea9940949.

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Abstract (sommario):

Establishing a uniform rice (Oryza sativa L.) stand is an important beginning to managing a rice crop and attaining high yields. Most rice management practices in the United States are timed according to rice growth stages. Non-uniform rice stands, and subsequently non-uniform growth stages, present problems for the timely application of management practices for attaining high yields. Our objective was the determination of the effects of uneven emergence on rice yield, milling yield, and yield components. Experiments were conducted in 1988 and 1989 on a Hebert silt loam (Vertic Hapludoll) at t

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47

Roell, Yannik E., Amélie Beucher, Per G. Møller, Mette B. Greve, and Mogens H. Greve. "Comparing a Random Forest Based Prediction of Winter Wheat Yield to Historical Yield Potential." Agronomy 10, no. 3 (2020): 395. http://dx.doi.org/10.3390/agronomy10030395.

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Abstract (sommario):

Predicting wheat yield is crucial due to the importance of wheat across the world. When modeling yield, the difference between potential and actual yield consistently changes because of advances in technology. Considering historical yield potential would help determine spatiotemporal trends in agricultural development. Comparing current and historical yields in Denmark is possible because yield potential has been documented throughout history. However, the current national winter wheat yield map solely uses soil properties within the model. The aim of this study was to generate a new Danish wi

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48

Novy, Elissa M., and Nicholi Vorsa. "CRANBERRY VARIETY FRUIT YIELD AND YIELD COMPONENETS." HortScience 28, no. 4 (1993): 258E—258. http://dx.doi.org/10.21273/hortsci.28.4.258e.

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Abstract (sommario):

Accurate estimates of yield and yield components for parental selection would facilitate cranberry breeding efforts. A study was designed to obtain value estimates for traits related to yield. Ten commonly-cultivated varieties grown in a replicated planting, were evaluated in 1991 and 1992 for fruit yield per unit area (FY), average berry weight (BW) and number of berries per unit area, or berry concentration (BC). Averaged over all varieties, FY was significantly greater in 1992. BC was responsible for higher yields in 1992. Regression analysis revealed that BC accounted for more of the varia

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49

SARDANA, VIRENDER, and SHAMSHER SINGH NARWAL. "Influence of time of sowing and last cut for fodder on the fodder and seed yields of Egyptian clover." Journal of Agricultural Science 134, no. 3 (2000): 285–91. http://dx.doi.org/10.1017/s0021859699007583.

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Abstract (sommario):

Field investigations were conducted during the winter seasons of 1992/93 and 1993/94 to find the optimum sowing time and time of last fodder cut for the fodder and seed production of Egyptian clover (Trifolium alexandrinum L.). The delay in sowing from 1 October to 15 November decreased the green and dry fodder yields but increased the seed yields. Total green and dry fodder yields (of all cuttings) for 1 or 15 October sowings were significantly higher than the 15 November sowing in both years and 1 November sowing in 1992/93. Increase in seed yield from the 15 November sowing was greater than

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50

Zymaroieva, A., and Y. Nykytiuk. "Agroecological drivers of winter rye (Secale cereale) yield spatio-temporal variation." Agrology 6, no. 4 (2023): 86–91. http://dx.doi.org/10.32819/021114.

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Abstract (sommario):

The study of yield-limiting factors of rye, a typical European cereal, is a crucial concern today as it significantly impacts global food safety. The objecive of the study was to determine the contribution of agroecological factors, namely bioclimatic variables, soil parameters, and landscape diversity, to the variation of rye yields in the central and northern regions of Ukraine, which is one of the world’s five largest producers of this crop. A symmetric log-logistic model was used to describe the dynamics of rye yields, and the parameters of this model can be used to analyze the spatial dyn

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