共 17 条
[1]
Bellamy L.J, 1975, INFRARED SPECTRA COM
[2]
BHACCA NS, 1962, NMR SPECTRA CATALOG, V1
[4]
FLAIG W, 1975, SOIL COMPONENTS, V1, P1
[7]
FURTHER INVESTIGATIONS ON CHEMISTRY OF FULVIC ACID, A SOIL HUMIC FRACTION
[J].
CANADIAN JOURNAL OF CHEMISTRY,
1971, 49 (13)
:2302-&
[8]
LAKATOS B, 1977, ACTA AGRON HUNG, V26, P259
[9]
LENTZ H, 1971, T INT S HUMUS PLANTA, V5, P241
[10]
NAKANISHI K, 1982, INFRARED ABSORPTION