共 30 条
[1]
ALEXIADES C. A., 1965, SOIL SCI SOC AMER PROC, V29, P522
[2]
[Anonymous], 1982, SAS USERS GUIDE
[3]
[Anonymous], 1982, LITHIUM SODIUM POTAS
[4]
BARBER T. E., 1962, CANADIAN JOUR SOIL SCI, V42, P266
[6]
HALSTEAD R. L., 1959, CANADIAN JOUR SOIL SCI, V39, P129
[7]
HEADY EO, 1961, AGR PRODUCTION FUNCT, pCH14
[9]
MacLEAN A. J., 1962, CANADIAN JOUR SOIL SCI, V42, P96