HUMIC ACID FRACTION OF A GRAY WOODED SOIL AS INFLUENCED BY CROPPING SYSTEMS AND FERTILIZERS

被引：5

作者：

KHAN, SU

机构：

来源：

关键词：

D O I：

10.1016/0016-7061(70)90025-X

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

引用

页码：247 / &

共 16 条

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KHAN, SU .

[9]

Kononova M.M, 1969, SOIL ORGANIC MATTER

[10]

Kumada K., 1955, SOIL PLANT FOOD, V1, P29, DOI 10.1080/00380768.1955.10434360