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Biochar – the dark material – is spread on the surface and then tilled into the soil. Researchers at the University of Wisconsin-Platteville are studying additional applications for biochar in the dairy industry.
Unprocessed manure is compared, left, with biochar created from manure, right. Biochar derived from manure is easier to transport and apply as a fertilizer on fields, says Joseph Sanford, an assistant professor of soil and crop science at the University of Wisconsin-Platteville.
Wisconsin farms produce 35 megatons of manure annually, according to data from the MidWest Plan Service. Manure is important for on-farm sustainability but it poses environmental concerns – including emissions, leeching and legacy phosphorus.
Joseph Sanford
Carter Jones writes about agriculture as a staff reporter for Agri-View based in Wisconsin.
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Biochar is created when biomass such as wood or manure is heated in an oxygen-deprived environment.
University of Wisconsin researchers use 5-gallon buckets to determine if wood chips, biochar or other materials will reduce greenhouse-gas emi…
Unprocessed manure is compared, left, with biochar created from manure, right. Biochar derived from manure is easier to transport and apply as a fertilizer on fields, says Joseph Sanford, an assistant professor of soil and crop science at the University of Wisconsin-Platteville.
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