PDF(367 KB)
PDF(367 KB)
PDF(367 KB)
黄淮海地区夏玉米田一年生杂草的生态经济防治阈期研究
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Eco-Economic Threshold Period for Controlling Weeds in Summer Maize Field of Huang-Huai-Hai Region
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