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Figure 1


Fig. 1. Fluorescence characteristics of humic substances. Component 1 and 3 were contributed by fulvic acid-like organic matter materials, and component 2 humic acid-like organic matter materials. EFa, Elliott soil standard fulvic acid; EHa, Elliott soil standard humic acid; LHa, Leonardite standard humic acid; PHa, Pahokee peat reference humic acid; WFa, Waskish peat reference fulvic acid; WHa, Waskish peat reference humic acid.





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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome