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NITROGEN MASS BALANCES FOR DAIRY FARMS FROM FEED TO FIELD

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作者：
BULLEY, NR
HOLBEK, N
机构：
来源：
CANADIAN AGRICULTURAL ENGINEERING | 1982年 / 24卷 / 01期
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中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
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页码：19 / 23
页数：5
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