Search Results - subject:"yield variability"

Machine learning reveals complex effects of climatic means and weather extremes on wheat yields during different plant developmental stages

Schierhorn, Florian; Hofmann, Max; Gagalyuk, Taras; … - In: Climatic Change 169 (2021)

explained 54% of the wheat yield variability at the country level. Heat waves, tropical night waves, frost, and drought …

Persistent link: https://www.econbiz.de/10012792521

On the use of agricultural system models for exploring technological innovations across scales in Africa: A critical review

Rötter, Reimund P.; Sehomi, Fanou L.; Höhn, Jukka G.; … - 2016

The major challenge of the 21st century is to achieve food security under, roughly, a doubling in food demand by 2050 compared to present, and producing the additional food under marked shifts in climatic risks and with environmentally sound farming practices. Sustainable intensification of...

Persistent link: https://www.econbiz.de/10011588710

On the use of agricultural system models for exploring technological innovations across scales in Africa : a critical review

Rötter, Reimund P. (contributor); … - 2016

Persistent link: https://www.econbiz.de/10011521296

Changes in Producersâ€™ Perceptions of Within-Field Yield Variability after Adoption of Cotton Yield Monitors

Rejesus, Roderick M.; Marra, Michele C.; Roberts, Roland K. - In: Journal of Agricultural and Applied Economics 45 (2013) 02

southeastern states, we find that cotton farmers who responded to the survey tend to underestimate within-field yield variability … average) on the additional information about within-field yield variability that the yield monitor technology provides. …This article investigates how information from cotton yield monitors influences the perceptions of within-field yield …

Persistent link: https://www.econbiz.de/10011142835

Trends and Variability of Rice, Maize, and Wheat Yields in South Asian Countries: A Challenge for Food Security

Poudel, Mahadeb Prasad; Chen, Shwu-En - In: Asian Journal of Agriculture and Rural Development 02 (2012) 04

significant increase in maize yield variability was realized in Bangladesh, India, Pakistan, and Sri Lank. The factors influencing …

Persistent link: https://www.econbiz.de/10011167724

THE EFFECTS OF CLIMATIC VARIABLES AND CROP AREA ON MAIZE YIELD AND VARIABILITY IN GHANA

DE-GRAFT, ACQUAH HENRY; KWEKU, KYEI CLEMENT - In: Russian Journal of Agricultural and Socio-Economic Sciences 10 (2012) 3, pp. 10-13

rainfall and temperature. Furthermore, increase in crop area and temperature will enlarge maize yield variability while …

Persistent link: https://www.econbiz.de/10011222458

An Analysis of the Impacts of Climate Change on Crop Yield and Yield Variability in Ethiopia

Kelbore, Zerihun Getachew - Volkswirtschaftliche Fakultät, … - 2012

This study investigates the impacts of climate change on mean and variance of crop yields in Ethiopia over a period of 28 years. We used a stochastic production function and estimated the effects of belg and kiremt rainfall on crop yields and variances. We find that the effects of the seasonal...

Persistent link: https://www.econbiz.de/10011113134

Agricultural trade for food security in Africa: A Ricardian model approach

Diagne, Mandiaye; Abele, Steffen; Diagne, Aliou; Seck, … - International Association of Agricultural Economists - IAAE - 2012

model with multiple goods and countries which embeds a structure of gravity equation and yield variability. Our study shows …

Persistent link: https://www.econbiz.de/10010913949

Managing Expected Switchgrass Biomass Yield Variability by Strategically Selecting Land to Lease

Debnath, Deepayan; Stoecker, Arthur L.; Epplin, Francis M. - Agricultural and Applied Economics Association - AAEA - 2012

Biorefineries that plan to use switchgrass exclusively will have to account for year-to-year variability in feedstock production. The objective of this research is to determine the quantity, class, and location of land to lease for switchgrass production to provide for the needs of a...

Persistent link: https://www.econbiz.de/10010916666

Trends and Variability of Rice, Maize, and Wheat Yields in South Asian Countries: A Challenge for Food Security

Poudel, Mahadeb Prasad; Chen, Shwu-En - In: Asian Journal of Agriculture and rural Development 2 (2012) 4, pp. 584-597

significant increase in maize yield variability was realized in Bangladesh, India, Pakistan, and Sri Lank. The factors …

Persistent link: https://www.econbiz.de/10010617691