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Agroforestry Practices, Runoff, and Nutrient Loss

A Paired Watershed Comparison

Ranjith P. Udawatta*, J. John Krstansky, Gray S. Henderson and Harold E. Garrett

School of Natural Resources, Univ. of Missouri, Columbia, MO 65211



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  		Fig. 1. Study site location and 0.5-m-interval topographic maps of contour strip, agroforestry, and control watersheds. Broad gray areas represent grass strips (contour strip), trees and grass strips (agroforestry), and grass waterways (contour strip, agroforestry, and control).

 


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  		Fig. 2. Observed deviation from predicted (observed minus predicted) runoff on agroforestry and contour strip watersheds during the treatment period.

 


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  		Fig. 3. Observed deviation from predicted (observed minus predicted) sediment loss on agroforestry and contour strip watersheds during the treatment period.

 


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  		Fig. 4. Observed deviation from predicted (observed minus predicted) total phosphorus loss on agroforestry and contour strip watersheds during the treatment period.

 


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  		Fig. 5. Observed deviation from predicted (observed minus predicted) total nitrogen loss on agroforestry and contour strip watersheds during the treatment period.

 


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  		Fig. 6. Observed deviation from predicted (observed minus predicted) nitrate N loss on agroforestry and contour strip watersheds during the treatment period.

 


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  		Fig. 7. Observed deviation from predicted (observed minus predicted) ammonium N loss on agroforestry and contour strip watersheds during the treatment period.

 




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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
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Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome
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