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A model to measure soil health in the era of bioenergy
Date:11/19/2008

nges to management practices. In conjunction with the local conditions, the model can guide planning and development of sustainable crop and soil management practices.

"The development of soil management practices that maintain adequate SOM for nutrient cycling, soil structure stability, and sufficient biomass to prevent erosion is essential for decisions on land use for food, fiber, feed, and bioenergy," says Hero Gollany, one of the article's authors and an ARS soil scientist.

The model has great potential to be used by all land managers to guide the amount of crop residue that can be sustainably harvested as feedstock for biomass ethanol and bio-based products without degrading the soil resource, environmental quality, or productivity. More studies are still needed to evaluate the model's performance in predicting the amount of crop residue required to maintain the SOM concentration in different soils under a range of management and climatic conditions.


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Contact: Sara Uttech
suttech@soils.org
608-268-4948
Soil Science Society of America
Source:Eurekalert

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