共 8 条
[1]
Anderson J. P., 1982, METHODS SOIL ANAL 2, V2, P831, DOI DOI 10.2134/agronmonogr9.2.2ed.c41
[2]
BREMNERJM, 1969, SOIL BIOL BIOCHEM, V1, P301
[3]
CASIDA L. E., 1964, SOIL SCI, V98, P371, DOI 10.1097/00010694-196412000-00004
[6]
GRAY T. R. G., 1971, Soil Micro-organisms.
[7]
Johnson LF., 1959, METHODS STUDYING SOI
[8]
Tu C M, 1976, Residue Rev, V64, P17