SOIL FERTILITY PROBLEMS IN THE SEMIARID TROPICS OF AFRICA

被引：0
|
作者：
VLEK, PLG
MOKWUNYE, AU
机构：
来源：
SOIL FERTILITY AND FERTILIZER MANAGEMENT IN SEMIARID TROPICAL INDIA | 1988年
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中图分类号：
S15 [土壤学];
学科分类号：
0903 ; 090301 ;
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页码：29 / 46
页数：18
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