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yu mi za jiao zhong zi pin zhong zhen shi xing he chun du jian yan jian ding fang fa
Author(s): 
Pages: 47-49
Year: Issue:  6
Journal: Yunnan Agricultural Science and Technology

Abstract: 玉米是粮食、饲料、加工、能源多用途作物,被誉为21世纪的“谷中之王”,2001年后玉米已成为全球第1大作物.在中国,玉米的种植面积占作物播种面积第1位,产量仅次于水稻,处于第2位.在中国玉米增产的诸因素中,杂交种的作用占37.1%.种子是农业生产中最基本也是最关键的生产资料,使用高质量的种子能为获得较高的产量提供更好的保证[1].
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