NDLI: Effect of farm management practices in the Bt toxin production by Bt cotton: evidence from farm fields in China

Content Provider	Springer Nature Link
Author	Huang, Jikun Mi, Jianwei Chen, Ruijian Su, Honghua Wu, Kongming Qiao, Fangbin Hu, Ruifa
Copyright Year	2014
Abstract	Based on farm field plot level survey data and laboratory test, we examine the determinants of the expression of Bt toxin in China’s Bt cotton production. The results show that the expression of Bt toxin differs significantly among varieties. Even for the same variety the expression of Bt toxin also varies substantially among villages and among farmers in the same village. Econometric analyses show that after controlling for the effects of varieties and locations (or villages), farm management, particular applications of phosphate and potash fertilizers, and manure, has significant positive effects on Bt toxin expression in farmer’s fields. In contrast to previous studies which showed that nitrogen fertilizer has a positive impact on expression of Bt toxin, this study shows that nitrogen fertilizer has no significant impact on expression of Bt toxin in farmer’s fields. On the other hand, the expression of Bt toxin has a positive relationship with phosphate fertilizer, potash fertilizer and manure application.
Starting Page	397
Ending Page	406
Page Count	10
File Format	PDF
ISSN	09628819
Journal	Transgenic Research
Volume Number	23
Issue Number	3
e-ISSN	15739368
Language	English
Publisher	Springer International Publishing
Publisher Date	2014-01-21
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Expression of Bt toxin Fertilizer use Farm management Bt cotton China Molecular Medicine Plant Genetics & Genomics Animal Genetics and Genomics Plant Sciences Human Genetics
Content Type	Text
Resource Type	Article
Subject	Genetics Animal Science and Zoology Biotechnology Agronomy and Crop Science

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