共 36 条
[21]
MEHRA O. P., 1960, Proceedings 7th nat. Conf. Clays, V5, P317
[22]
MILLETTE GJF, 1969, AGRICULTURE, V26, P3
[23]
PUHR LF, 1937, 314 S DAK B
[24]
SALTER ROBT. M., 1933, JOUR AMER SOC AGRON, V25, P622
[25]
SCHOFIELD R. K., 1955, SOIL SCI SOC AMER PROC, V19, P164
[26]
SEDDYK EA, 1977, THESIS MCGILL
[27]
TANNER CB, 1947, P SOIL SCI SOC AM, V12, P60
[28]
THAMES JL, 1955, SOIL SCI SOC AM P, V19, P381
[29]
TOOGOOD J. A., 1953, CANADIAN JOUR AGRIC SCI, V33, P159
[30]
SIGNIFICANT PARTICLE SIZE VARIATION AND WEATHERING IN ORTHIC PODZOL PROFILES
[J].
JOURNAL OF SOIL SCIENCE,
1969, 20 (01)
:11-+