EFFECTS OF DIRECT DRILLING AND PLOWING ON ROOT DISTRIBUTION IN SPRING BARLEY, AND ON CONCENTRATIONS OF EXTRACTABLE PHOSPHATE AND POTASSIUM IN UPPER HORIZONS OF A CLAY SOIL

被引:25
作者
DREW, MC
SAKER, LR
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D O I
10.1002/jsfa.2740290302
中图分类号
S [农业科学];
学科分类号
09 ;
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页码:201 / 206
页数:6
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