共 10 条
[1]
IRON OXIDE REMOVAL FROM SOILS AND CLAYS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1953, 17 (04)
:359-364
[3]
CHAO TT, 1977, J RES US GEOL SURV, V5, P409
[4]
CHAO TT, 1973, US GEOL SURVEY J RES, V1, P681
[5]
CHAO TT, 1972, SOIL SCI SOC AM P, V36, P762
[6]
COFFIN D. E., 1963, CANADIAN JOUR SOIL SCI, V43, P7
[7]
LEARNED RE, 1973, GEOCHEMICAL EXPLORAT, P93
[8]
DIFFERENTIATION OF FORMS OF EXTRACTABLE ION AND ALUMINUM IN SOILS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1971, 35 (01)
:33-&