MINERAL NITROGEN CONCENTRATION OF SOIL AS A GAUGE OF NEED FOR NITROGEN-FERTILIZER (N-MIN METHOD)

被引:150
作者
WEHRMANN, J
SCHARPF, HC
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关键词
D O I
10.1007/BF02197737
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
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页码:109 / 126
页数:18
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