共 53 条
[31]
LUSBY GC, 1971, 1532D US GEOL SURV W
[33]
MICHURIN BN, 1967, SOV SOIL SCI, V8, P1093
[34]
MILLER RF, 1972, INT S USSR, P119
[35]
MONK CD, 1967, ECOLOGY, V47, P504
[37]
NELSON JR, 1969, THESIS U IDAHO
[39]
POORE M. E. D., 1962, ADVANCES ECOL RES, V1, P35, DOI 10.1016/S0065-2504(08)60300-1
[40]
RICHARDS LA, 1954, 60 US DEP AGR AGR HD