共 11 条
[1]
ALLOS H. F., 1959, SOIL SCI, V87, P61, DOI 10.1097/00010694-195902000-00001
[3]
BONNIER C, 1958, INEAC76 SER SCIENT
[4]
BONNIER C, 1957, INEAC72 SER SCIENT
[5]
CORBY H. D. L., 1967, PROC CONGR GRASSLAND SOC S AFR, V2, P75
[6]
GOLDSWORTHY PR, 1964, EMPIRE J EXP AGR, V32, P257
[7]
HYMOWITZ T, 1971, Communications in Soil Science and Plant Analysis, V2, P283, DOI 10.1080/00103627109366316
[8]
OHLROGGE A. J., 1960, ADVANCES IN AGRON, V12, P229, DOI 10.1016/S0065-2113(08)60084-X
[9]
OKALO AJ, 1971, FAO SOILS B, V14, P13
[10]
SILVESTRE P, 1970, FORD F GRAIN LEGUME