Food and Farm Week
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Nitrogen
Findings from Kansas State University Provide New Insights into Nitrogen
June 9th, 2011
"Biochar, a solid coproduct from the thermochemical production of bioenergy, has been reported to increase nutrient availability in soils through increased cation retention and decreased phosphate adsorption. The objectives of this study were to determine biochar effects on N and P availability in the presence and absence of external nutrient inputs," scientists writing in the journal Soil Science report. "Biochar was obtained from hydrothermal pyrolysis of corn cobs at 305 degrees C with 20 min of retention time. Biochar was added to two soils at three biochar rates (0, 2, and 20 g/kg) in combination with either two N rates (0 and 100 mg/kg) or two P rates (0 and...
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Source: Food and Farm Week (2011-06-09)
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