PDF(5319 KB)
PDF(5319 KB)
PDF(5319 KB)
农业社会化服务如何影响粮食生态效率——以黄河流域71个地级市为例
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}How does agricultural socialization service affect grain eco-efficiency: A case study of 71 prefecture-level cities in the Yellow River Basin
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