Demonstration of an agroforestry system to minimize pollution hazards from land application of treated municipal sludge

Date
1998
Authors
Colletti, Joseph
Schultz, Richard
Thompson, Michael
Schultz, Richard
Mize, Carl
Anderson, Irvin
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Altmetrics
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Leopold Center for Sustainable Agriculture
Abstract

Iowa has over 700 communities that generate municipal biosolids by various treatment means. These biosolids contain valuable nutrients. In this study, municipal biosolids are applied to trees, perennial grasses, and corn/soybean crops in an alley cropping (repeated tree strips combined with crops) system. The goal is to produce economical quantities of biomass and grains with reduced use of fossil fuel-based fertilizers and minimal environmental impacts.

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