共 43 条
[1]
ADAMS GI, 1926, 14 GEOL SURV AL SPEC
[2]
Allison LE., 1965, METHODS SOIL ANAL 2, DOI [10.2134/agronmonogr9.2.c40, DOI 10.2134/AGRONMONOGR9.2.2ED.C39]
[3]
[Anonymous], 1954, MUNSELL SOIL COLOR C
[4]
BRAUN EL, 1950, DECIDUOUS FORESTS EA
[6]
Buckman H., 1960, NATURE PROPERTIES SO