共 27 条
- [3] BAJPAI P D, 1976, Journal of the Indian Society of Soil Science, V24, P48
- [4] BOWSER W. E., 1962, CANADIAN JOUR SOIL SCI, V42, P165
- [6] CAIRNS R. R., 1963, CANADIAN JOUR SOIL SCI, V43, P387
- [8] CAIRNS RR, 1981, INVESTIGACIONES AGRI, V16, P1