共 10 条
[1]
CATION-EXCHANGE GROUPINGS IN THE SOIL ORGANIC FRACTION
[J].
SOIL SCIENCE,
1952, 74 (06)
:447-457
[2]
COLOWICK SP, 1955, METHOD ENZYMOL, V1, P138
[3]
FLODIN P, 1962, DEXTRAN GELS APPLICA
[5]
MORTENSEN J. L., 1963, SOIL SCI SOC AMER PROC, V27, P179
[6]
MORTENSEN J. L., 1963, SOIL SCI SOC AMER PROC, V27, P653
[7]
MORTENSEN JL, 1960, 7 INT C SOIL SCI T, V2, P98
[8]
Norman A. G., 1942, SOIL SCI SOC AMER PROC, V7, P7
[9]
SCHNITZER M, 1957, CHEM IND LONDON, V49, P1594