Ecology, Environment and Conservation
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Nitrogen
Recent findings from China Agricultural University highlight research in nitrogen
August 6th, 2010
Data detailed in 'Impact of struvite crystallization on nitrogen losses during composting of pig manure and cornstalk' have been presented. "An absorbent mixture of magnesium hydroxide (Mg(OH)(2)) and phosphoric acid (H(3)PO(4)) was added to compost mixtures of pig manure with cornstalk in different molar ratios (T1, 1:1; T2, 1:2; T3, 1:3) in order to examine its effect on controlling ammonia losses during composting. Based on the principle of struvite precipitation, and with an unamended trial as control (CK), an in-vessel composting experiment was conducted in fermenters (60L with forced aeration) in which the absorbent mixture was added with proportions of 3.8%, 7.3% and 8.9% of dry...
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Source: Ecology, Environment and Conservation (2010-08-06)
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