＜正＞Dear Editor,The economic benefits of genetically modified （GM） crops have been well-documented in the literature （Huang et al.,2002; Huang et al., 2005; Qiao, 2015; Qiao et al., 2016）.Previous studies showed that the global economic gain that the GM crops had generated at the farm level approximated100 billion USD in 1996–2011 （Brookes and Barfoot, 2013）. 

【文章頁數(shù)】：12 頁

【文章目錄】：
SUPPORTING INFORMATION
Supporting Information
Supporting Information 1
    Methods
    Data collection
    Models
References
S u p p o r t i n g In f o r m a t i o n2



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