共 8 条
[1]
Bremner J.M., 1965, METHODS SOIL ANAL, P1149, DOI DOI 10.2134/AGRONMONOGR9.2.C32
[2]
HEILMAN PE, 1980, SOIL SCI SOC AM J, V44
[3]
Jackson M. L., 1958, Soil Chemical Analysis.
[5]
KESER N, 1973, 56 BRIT COL FOR SERV
[6]
Meurisse R.T., 1976, WESTERN HEMLOCK MANA, P49
[7]
STRAND RF, 1966, J FOREST, V64, P739
[8]
VANDENDRIESSCHE R, 1976, WESTERN HEMLOCK MANA, P56