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Evaluation of Intensive Land Use for Pig-farm Land:A Case of Progenitor Pig Farm in Wushan County, Chongqing
张甜 廖和平 潘卓 黄璐
Chinese Agricultural Science Bulletin . 2013, (35): 42 -46 .  DOI: 10.11924/j.issn.1000-6850.2013-0742