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