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- [2] BREMNER J. M., 1965, SOIL SCI SOC AMER PROC, V29, P504
- [5] HARDY R W F, 1973, Soil Biology and Biochemistry, V5, P47, DOI 10.1016/0038-0717(73)90093-X
- [9] MOUSTAFA E, 1969, NEW ZEAL J AGR RES, V12, P691
- [10] NEWELL JW, 1961, TECHNICAL B DEP AGR, V13