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Feds, States Can Help Biochar Live up to Its Soil-Saving Potential

Study shows how government promotes agricultural, environmental benefits -- and could do more

Even though every dollar spent on soil improvement can save much more in environmental costs down the road, startup costs can sometimes make it hard for farmers to implement best environmental practices. A team of researchers from Rice and North Dakota State universities argues that this is especially true for using biochar, but that the problem can be addressed through well-designed policy.

Biochar is a porous, charcoal-like material produced via pyrolysis, the high-temperature decomposition of biomass. Studies show biochar improves soil water properties and enhances agricultural production by an average of 15 percent. It also reduces nutrient leaching, increases nitrogen available to plants and reduces the release of nitrogenous gases, which can improve local air quality.

A policy study led by Ghasideh Pourhashem, a former postdoctoral fellow at Rice's Baker Institute for Public Policy and now an assistant professor at North Dakota State, surveys existing government programs and details how they support the use of biochar to enhance agricultural productivity, sequester carbon and preserve valuable soil.

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