共 21 条
- [2] Bremner J. M., 1982, Methods of soil analysis. Part 2. Chemical and microbiological properties, P699
- [3] CHAO TYNG-TSAIR, 1964, SOIL SCI SOC AMER PROC, V28, P393
- [9] Keeney D. R., 1982, AGRON MONOGR, V9, P643, DOI DOI 10.2134/AGR0NM0N0GR9.2.2ED.C33