نتایج جستجو برای: agricultural yields

تعداد نتایج: 194172  

Journal: :Agricultural Economics (Zemědělská ekonomika) 2018

1998
Julie Howard

BACKGROUND: Seed can play a critical role in increasing agricultural productivity: it determines the upper limit of crop yields and the productivity of all other agricultural inputs to the farming system. In the mid-1970s, governments and donors recognized the critical role of seed in agricultural transformation and began to provide substantial support for seed system development. Since then, F...

2008
J. N. Mock J. E. Epperson

--While the population of the world is continually growing, there are doubts that the food supply will be sufficient to keep pace. Although 14% of the world is undernourished today, an exponentially increasing population could be catastrophic if agricultural production lags too far behind. This paper attempts to forecast agricultural yield given the recent advent of genetically modified crops a...

2011
Palaniappa Krishnan

Agricultural food production and consumption covers activities ranging from agriculture to food consumption. Pollution and food contamination related to the use of production technologies and processes, as well as from the use of products aimed at increasing agricultural yields and facilitating food conservation, have significant environmental consequences. There are a number of important issue...

2012
Sergey Paltsev

Emissions mitigation policies affect prices, including prices for fossil fuels and agricultural products. Consumer prices for coal and natural gas are expected to rise when climate policy is implemented, while oil prices may be reduced or remain the same in comparison to a no policy scenario. Impacts on agricultural prices are more controversial as reduced negative productivity impacts on yield...

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