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我国七大商品种子基地在哪里近年来，我国农作物良种专业化、商品化生产有长足发展。目前已经出现七个面向全国市场的种子生产基地。它们是：四川成都杂交稻种生产基地江苏盐城杂交稻种子公司江苏丹江长江棉种公司辽宁朝阳地区杂交玉米开发联合体河北承德长城杂交玉米公司...
In recent years, China’s seven major commodity seed bases specialized, commercialization of production has made great progress. Seven seed production bases for the national market have emerged. They are: Chengdu, Sichuan hybrid rice seed production base in Jiangsu Yancheng hybrid rice seed companies in Jiangsu Danjiang Yangtze River cotton company Chaoyang District of Liaoning hybrid corn development consortium Chengde, the Great Wall of China hybrid corn company ...