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Fig. 2. Cross polarization magic angle spinning (CPMAS) 13C nuclear magnetic resonance (NMR) spectra of humic acids (HAs) from different aggregate-size fractions.





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HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
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