Impact of biochar amendments on the quality of a typical Midwestern agricultural soil
作者： David A. Laird , Pierce Fleming , Dedrick D. Davis , Robert Horton , Baiqun Wang
DOI: 10.1016/J.GEODERMA.2010.05.013
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摘要: Biochar, a co-product of thermochemical conversion of lignocellulosic materials into advanced biofuels, may be used as a soil amendment to enhance the sustainability of biomass harvesting. We investigated the impact of biochar amendments (0, 5, 10, and 20g-biocharkg− 1 soil) on the quality of a Clarion soil (Mesic Typic Hapludolls), collected (0–15cm) in Boone County, Iowa. Repacked soil columns were incubated for 500days at 25° C and 80% relative humidity. On week 12, 5g of dried and ground swine manure was …
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