共 25 条
- [3] BLEVINS RL, 1983, J SOIL WATER CONSERV, V38, P301
- [4] Bremner J.M., 1982, METHODS SOIL ANAL PA, P595
- [7] DORAN JW, 1983, NUTRIENT CYCLING AGR, P441
- [8] EFFECT OF PLOWING AND DIRECT DRILLING ON SOIL NITRATE CONTENT [J]. JOURNAL OF SOIL SCIENCE, 1975, 26 (01): : 53 - 61
- [9] GIDDENS JOEL, 1957, SOIL SCI SOC AMER PROC, V21, P513
- [10] HOUSE GJ, 1984, J SOIL WATER CONSERV, V39, P194