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Ag engineer explains manure concerns to IA pork producers
February 3, 2017 by Iowa Farmer Today
February 3, 2017, Des Moines, IA – There should be no concern Iowa farmers are using too much manure on crop ground.
Dan Andersen, an agriculture engineer at Iowa State University, said between 25 and 30 percent of nitrogen, phosphorus and potassium needs are provided through manure usage. READ MORE
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