共 8 条
[1]
FARNHAM R. S., 1965, ADVANCE AGRON, V17, P115, DOI 10.1016/S0065-2113(08)60413-7
[3]
MITCHELL J, 1932, J AM SOC AGRON, V24, P256, DOI DOI 10.2134/AGRONJ1932.00021962002400040002X
[4]
OAKS R, 1964, THESIS YALE U
[5]
PONS L. J., 1960, Transactions 7th int. Congr. Soil Sci., V4, P205
[6]
RODE AA, 1962, SOIL SCIENCE
[7]
Soil Survey Staff, 1960, SOIL CLASSIFICATION
[8]
1941, CLIMATE MAN YEARBOOK