[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.7745/KJSSF.2012.45.4.614

A Meta-Analysis for the Impact of Transgenic Crop Adoption on Corn and Soybean Yield

Lee, Sang-Hoon (Dept. of Rice and Winter Cereal Crop, NICS RDA)
Lee, Gyeong-Bo (Dept. of Rice and Winter Cereal Crop, NICS RDA)
Hwang, Seon-Woong (Dept. of Rice and Winter Cereal Crop, NICS RDA)
Kim, Hye-Jin (Dept. of Bio-Environmental Chemistry, College of Agriculture and Life Sciences, Chungnam National University)
Chung, Doug-Young (Dept. of Bio-Environmental Chemistry, College of Agriculture and Life Sciences, Chungnam National University)

Publication Information

Korean Journal of Soil Science and Fertilizer / v.45, no.4, 2012 , pp. 614-621 More about this Journal

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;

Citations & Related Records

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