The ammonium nitrogen content of all the groups showed a trend of first increasing, subsequently decreasing, and finally maintaining a steady state ( Figure 3 b).
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Effect of Cornstalk Biochar Immobilized Bacteria on Ammonia Reduction in Laying Hen Manure Composting.
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The sentences
With the progression of the composting, the Bacilli in all of the treatments showed an increasing trend in composting, gradually becoming the predominant flora, while the content of Gammaproteobacteria and Bacteroidia gradually decreased.