共 16 条
[1]
Alexander M., 1965, SOIL NITROGEN, V10, P307, DOI [10.2134/agronmonogr10, DOI 10.2134/AGRONMONOGR10]
[2]
ALEXANDER M, 1965, METHODS SOIL ANALY 2, V9, P1477
[4]
BURFORD JR, 1975, SOIL BIOL BIOCHEM, V7, P384
[5]
COREY JC, 1967, SOIL SCI SOC AM P, V31, P498
[9]
HANSEN L, 1976, STATENS PLANTEAVLSMO, P20