共 32 条
[21]
REACTIONS OF EDTA COMPLEXES OF FE ZN MN AND CU WITH SOILS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1969, 33 (01)
:86-&
[25]
SHAMMAS AT, 1978, THESIS U WISCONSIN M
[27]
STEVENSON F J, 1972, P79