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A Meta-Analysis for the Impact of Transgenic Crop Adoption on Corn and Soybean Yield
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 Title & Authors
A Meta-Analysis for the Impact of Transgenic Crop Adoption on Corn and Soybean Yield
Lee, Sang-Hoon; Lee, Gyeong-Bo; Hwang, Seon-Woong; Kim, Hye-Jin; Chung, Doug-Young;
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 Abstract
Although there is a broad dispute over genetically modified foods on safety, the worldwide adoption of transgenic crops is rapidly increasing. The objectives of this study were to identify trends in the effects of transgenic on crop yields and examine the effect of agricultural variables including crop type, biotech trait, tillage system, and yield environment on corn and soybean yield. A meta-analysis from the 34 peer-reviewed scientific literatures was conducted to compare the crop yield between transgenic crops and conventional varieties. Results showed that the yield of transgenic corn and soybean was strongly dependent on growing conditions. Transgenic hybrids had higher yield potential in the low crop yield environments such as high weeds and/or insect infestation, low soil water, and cool temperature conditions, while transgenic crops did not have yield advantages in high yield environments. The results from this study suggest that producers should consider the potential yield environmental conditions and possible yield reductions when producers choose crop hybrids in their fields.
 Keywords
Transgenic crop;Corn;Soybean;Yield;Meta-analysis;
 Language
English
 Cited by
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