中国北方草原畜牧业限制因素以及管理策略分析
李青丰, David Michalk, 陈良, 张萍, 佟绍敏
Analysis of Constrains and Management Strategy for Animal Production in Grassland of Northern China
LI Qing-feng, David, MICHALK, CHEN Liang, ZHANG Ping, TONG Shao-min
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2003, (2): 178
-182
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DOI: 10.11733/j.issn.1007-0435.2003.02.015