共 28 条
[24]
PAVLINOVA AV, 1969, URK KHIM ZH, V35, P37
[26]
RIOS M. A., 1964, SOIL SCI SOC AMER PROC, V28, P232
[27]
REACTIONS BETWEEN FULVIC ACID A SOIL HUMIC COMPOUND AND INORGANIC SOIL CONSTITUENTS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1969, 33 (01)
:75-+
[28]
ZOLOTUKHIN VK, 1970, ANAL KHIM EHSTR PROT, P81