共 14 条
- [1] DEDATTA SK, 1981, PRINCIPLES PRACTICES, P515
- [3] Hauck R. D., 1982, Methods of soil analysis. Part 2. Chemical and microbiological properties, P735
- [4] JENKINS MC, 1984, LIMNOL OCEANOGR, V29, P609, DOI 10.4319/lo.1984.29.3.0609
- [5] Keeney D. R., 1982, Methods of soil analysis. Part 2. Chemical and microbiological properties, P643