唐山地区棉花种子出苗率低的原因与改善措施
HEBEI AGRICULTURAL SCIENCE AND TECHNOLOGY(2008)
Abstract
<正>1种子出苗现状与出苗率低的原因分析唐山棉花种植地区属于冀东早熟棉区,近几年由于种棉效益好,播种面积大幅度增长,由2001年的1.3万hm2发展到2004年的4.4万hm2,由平原地带向沿海盐碱地、稻改
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