共 6 条
[1]
Jackson M.L., 1967, SOIL CHEM ANAL, P326
[2]
Kononova M. M, 1966, SOIL ORGANIC MATTER, P377
[3]
LATTER P, 1960, 7 T INT C SOIL SCI, V3, P643
[5]
SCHNITZER M., 1962, SOIL SCI SOC AMER PROC, V26, P362
[6]
SCHNITZER M., 1965, SOIL SCI SOC AMER PROC, V29, P274