共 22 条
[1]
BEALE O. W., 1955, Soil Science Society of America. Proceedings, V19, P244
[2]
BUSSCHER WJ, 1987, T ASAE, V30, P888
[5]
DORAN JW, 1983, U GA SPEC PUB, V23
[8]
KARLEN DL, 1986, J FERT ISSUES, V3, P1