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作者:Li Yan-Ping , Wei Dan , Zhou Bao-Ku ...
来源:[J].Guang pu xue yu guang pu fen xi = Guang pu(IF 0.293), 2011, Vol.31 (10), pp.2758-62PubMed
摘要:In order to investigate the effect of long-term located fertilization on soil fulvic acid (FA), in this study, four soil samples were taken from black soil with long-term located fertilization (about 30 year) in Harbin, Heilongjiang province. The fertilization treatments included...

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