Nitrates in soil and plant as indexes of the nitrogen needs of a growing crop

被引:2
作者
Gilbert, BE
Smith, JB
机构
关键词
D O I
10.1097/00010694-192906000-00004
中图分类号
S15 [土壤学];
学科分类号
0903 ; 090301 ;
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页码:459 / 468
页数:10
相关论文
共 7 条
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[6]  
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[7]   Desirable soil-nitrate levels for certain market-garden crops [J].
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