川西南地区六种牧草生产系统的经济效益分析
刘芳, 李向林, 白静仁, 何峰, 杨春华
Analysis on the Economic Benefits of Six Forage Production Systems in Southwest of Sichuan Province
LIU Fang, LI Xiang-lin, BAI Jing-ren, HE Feng, YANG Chun-hua
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2008, (3): 289
-292
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DOI: 10.11733/j.issn.1007-0435.2008.03.015