共 17 条
- [1] CHAPMAN HD, 1965, METHODS SOIL ANAL 2, V9, P902
- [2] CHENERY E. M., 1955, PLANT AND SOIL, V6, P174, DOI 10.1007/BF01343446
- [3] CZAPOWSKYJ MM, 1980, USDA NE467 FOR SERV
- [4] ISAAC R. A., 1971, Instrumental Methods for Analysis of Soils and Plant Tissue" Soil Science Society of America, Madison, Wisconsin, P17
- [5] Jackson ML, 1956, SOIL CHEM ANAL ADV C
- [6] MCLEAN EO, 1965, AGRONOMY, V9, P988
- [7] MORRISON IK, 1974, CANADIAN FOR SERV PU, V1343
- [8] MURPHY J, 1962, ANAL CHIM ACTA, V27, P208
- [10] OLSEN SR, 1965, AGRONOMY, V9, P1040