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Fig. 9. Diagram of nitrate nitrogen concentration versus nitrogen isotopic value. Results from winter are fitted with the Rayleigh equation, excluding the results in w99-5 and w00-12.





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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
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome