共 6 条
[1]
BERGMAN I, 1961, J APPL CHEM, V11, P367
[4]
McKEAGUE J. A., 1963, ADVAN AGRON, V15, P339, DOI 10.1016/S0065-2113(08)60403-4
[5]
McKEAGUE J. A., 1963, CANADIAN JOUR SOIL SCI, V43, P83
[6]
RICHARDS LA, 1954, 60 US DEPT AGR HANDB