JEQ Journal of Natural Resources and Life Sciences Education
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Fig. 1. Effects of biosolids application on the levels of Mehlich-1, DTPA and CaCl2 extractable Zn, Cu, and Cd 17-19 yr after application.





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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
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