共 7 条
[1]
GHILAROV MS, 1968, 1968 INT S USSR AC S
[2]
HOYLE M. C., 1965, SOIL SCI SOC AMER PROC, V29, P475
[3]
Jackson ML, 1958, SOIL CHEMICAL ANALYS
[4]
SAFFORD L O, 1972, Canadian Journal of Forest Research, V2, P169, DOI 10.1139/x72-029
[5]
Torrie J.H, 1960, PRINCIPLES PROCEDURE
[6]
VOIGT GK, 1968, FOREST FERTILIZATION
[7]
1971, ANALYTICAL METHODS A