共 20 条
[3]
ARBOUR SJ, 1981, P SO SILVICULTURAL R
[4]
Armson K.A., 1977, FOREST SOILS PROPERT
[5]
BURGER JA, 1979, P IMPACT INTENSIVE H
[6]
GORDEN R, 1981, P SO SILVICULTURAL R
[8]
Jackson M. L., 1958, Soil Chemical Analysis.
[9]
Nelson D. W., 1982, Methods of soil analysis. Part 2. Chemical and microbiological properties, P539
[10]
NEWTON MB, 1972, PUB LA STATE U, V721