共 12 条
[1]
ALWAY F. J., 1930, JOUR FOREST, V28, P715
[2]
Bard G. E., 1946, SOIL SCI SOC AMER PROC, V10, P419
[3]
CHANDLER ROBERT F., 1941, JOUR AMER SOC AGRON, V33, P859
[5]
DROSDOFF M, METHODS ANAL USED TO
[6]
HEYWARD F, 1936, U FLORIDA AGR EXP ST, V302
[7]
Hursh C. R., 1928, S LUMBERMAN, V133, P219
[8]
LUNT HA, 1948, CONN AGR EXP STA B, V523
[9]
Lutz H. J., 1947, FOREST SOILS
[10]
Roth Elmer R., 1948, JOUR FOREST, V46, P578