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Figure 4


Fig. 4. Time series for annual direct, indirect, and total anthropogenic N2O emissions for cropped soils in the United States. Emissions are sums of DAYCENT estimates for major crops and Intergovernmental Panel on Climate Change (IPCC, 1997) estimates for remaining crops and Histosols.





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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