共 15 条
[1]
ALBERTSON F. W., 1937, Ecological Monographs, V7, P483, DOI 10.2307/1943101
[5]
DATE R A, 1973, Soil Biology and Biochemistry, V5, P5, DOI 10.1016/0038-0717(73)90089-8
[7]
HANSON H. C., 1938, ECOL MONOGR, V8, P57, DOI 10.2307/1943021
[8]
HARRINGTON HD, 1954, MANUAL PLANTS COLORA
[9]
HYDER DN, 1975, 1503 US DEP AGR TECH
[10]
MASEFIELD G. B., 1958, Nutrition of the Legumes. Proc. Univ. Nottingham fifth Easter Sch. Agric. Sci., P202