CHEMICAL DIFFERENCES IN DARK BROWN CHERNOZEMIC AP HORIZONS UNDER VARIOUS CONSERVATION TILLAGE SYSTEMS

被引:18
作者
DORMAAR, JF
LINDWALL, CW
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D O I
10.4141/cjss89-050
中图分类号
S15 [土壤学];
学科分类号
0903 ; 090301 ;
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页码:481 / 488
页数:8
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