共 10 条
[1]
FOY C. D., 1965, SOIL SCI AMER PROC, V29, P64
[2]
FOY C. D., 1965, AGRON J, V57, P413
[3]
FOY C. D., 1964, SOIL SCI SOC AMER PROC, V28, P27
[4]
FOY CD, 1964, USDA80 PROD RES RPT
[5]
HEWITT EJ, 1952, T INT SOC SOIL SCI, V1
[6]
IKEDA T, 1965, 12 TOK KINK NAT AGR, P64
[8]
NEENAN M., 1960, Plant and Soil, V12, P324, DOI 10.1007/BF02232989
[9]
OUELLETTE G. J., 1958, CANADIAN JOUR PLANT SCI, V38, P206