共 16 条
[2]
Halstead R. L., 1975, Soil Biology and Biochemistry. Volume 4 (Paul, E.A.
[3]
McLaren, A.D., Editors)., P31
[4]
Jackson ML., 1970, SOIL CHEM ANAL
[5]
MATTINGLEY GEG, 1965, 1964 ROTH EXP STA RE, P71
[7]
OLSEN SR, 1982, AGRONOMY MONOGRAPHS, V9, P404
[8]
Page A.L., 1982, METHODS SOIL ANAL 2
[9]
Sample E. C., 1980, Khasawneh, F. E.
[10]
Sample, E. C.

