共 40 条
[1]
Achard F.K., 1786, Chemische Annaten far die Freunde der Naturlehere Von. L. CRELL, V2, P391
[2]
AIKEN GR, 1985, HUMIC SUBSTANCES SOI, pCH21
[3]
AVERETT RC, 1989, 87557 OFR US GEOL SU
[4]
Berzelius J J., 1839, LEHRBUCH CHEM, V3rd
[7]
Dubach P., 1963, Soils and Fertilizers, V26, P293
[9]
FELBECK G. T., 1965, ADVANCE AGRON, V17, P327, DOI 10.1016/S0065-2113(08)60417-4
[10]
GJESSING EJ, 1976, CHARACTERIZATION AQU