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Fig. 1. In vitro extractable Pb for field-collected samples. Data shown are means ± standard errors for samples collected in 1997 and 1998 (0.5 and 1.5 yr after amendment addition).





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HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
The SCI Journals Agronomy Journal Crop Science
Vadose Zone Journal Journal of Plant Registrations
Journal of Natural Resources
and Life Sciences Education
Soil Science Society of America Journal