共 16 条
[1]
ALEKSANDROVA LN, 1960, POCHVOVEDNIE, V2, P90
[2]
FRACTIONATION OF HUMIC-ACID BY GEL-PERMEATION CHROMATOGRAPHY
[J].
JOURNAL OF SOIL SCIENCE,
1977, 28 (04)
:634-644
[3]
MOLECULAR-WEIGHT AND SHAPE OF HUMIC ACID FROM SEDIMENTATION AND DIFFUSION MEASUREMENTS ON FRACTIONATED EXTRACTS
[J].
JOURNAL OF SOIL SCIENCE,
1972, 23 (04)
:394-408
[4]
FERRARI G., 1963, SOIL SCI, V96, P418, DOI 10.1097/00010694-196312000-00009
[6]
Hayes M. H. B., 1978, The Chemistry of Soil Constituents (Greenland, D.J.
[7]
Hayes, M.H.B., Editors)., P179
[9]
MAGALDI D, 1983, ANN IST SPER STUDIO, V14, P21
[10]
PICCOLO A, 1985, IN PRESS 7TH P INT S