共 16 条
- [3] FOY C. D., 1965, AGRON J, V57, P413
- [4] FOY C. D., 1964, SOIL SCI SOC AMER PROC, V28, P27
- [5] GAUTHIER FM, 1958, CEREAL NEWS, V3, P12
- [6] METSON AJ, 1956, 12 NZ DEPT SCI IND R
- [7] NEENAN M., 1960, Plant and Soil, V12, P324, DOI 10.1007/BF02232989
- [9] POWER J. F., 1964, AGRON J, V56, P355
- [10] STOLEN O, 1965, K VETHOJSK AARSSKR