國家重點研發(fā)計劃項目(2016YFD0800900)
孫超,劉玉,潘瑜春.河北省縣域農田畜禽承載量與畜禽養(yǎng)殖量時空耦合[J].農業(yè)機械學報,2017,48(3):173-180,187. SUN Chao, LIU Yu, PAN Yuchun. Spatio-temporal Coupling between Livestock Carrying Capacity of Farmland and Livestock Breeding at County Level in Hebei Province[J]. Transactions of the Chinese Society for Agricultural Machinery,2017,48(3):173-180,187.
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