共 24 条
[21]
WATANABE F. S., 1965, SOIL SCI SOC AMER PROC, V29, P677
[22]
FRACTIONATION OF SOIL INORGANIC PHOSPHATE BY A MODIFICATION OF CHANG AND JACKSONS PROCEDURE
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1967, 31 (06)
:736-&
[23]
FRACTIONATION OF INORGANIC PHOSPHATE IN CALCAREOUS LAKE SEDIMENTS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1971, 35 (02)
:250-+
[24]
YUAN T. L., 1960, SOIL SCI SOC AMER PROC, V24, P447