共 18 条
[1]
BECKWITH R. S., 1955, AUSTRALIAN JOUR AGRIC RES, V6, P685, DOI 10.1071/AR9550685
[3]
Bjerrum J., 1941, METAL AMMINE FORMATI
[5]
CU2+-FULVIC ACID CHELATION EQUILIBRIUM IN 0.1 M KCL AT 25.0 DEGREES C
[J].
CANADIAN JOURNAL OF CHEMISTRY,
1970, 48 (20)
:3197-&
[6]
TITRATION CURVES OF FULVIC ACID - ANALYTICAL CHEMISTRY OF A WEAK ACID POLYELECTROLYTE
[J].
CANADIAN JOURNAL OF CHEMISTRY,
1970, 48 (17)
:2662-&
[8]
HODGSON J. F., 1963, ADVAN AGRON, V15, P119, DOI 10.1016/S0065-2113(08)60398-3
[9]
Khan S. U., 1969, Proceedings. Soil Science Society of America, V33, P851
[10]
KHANNA S. S., 1962, SOIL SCI, V93, P298, DOI 10.1097/00010694-196205000-00003