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Chemical and Biological Technologies in Agriculture
Fig. 4 | Chemical and Biological Technologies in Agriculture

Fig. 4

From: Clean recovery and recycling of seasonal surplus forage grass by microbial driven anaerobic fermentation: a case study of napiergrass

Fig. 4

Spearman’s correlation heatmap of A chemical composition and epiphytic microbiota (top 10 genera) in fresh napiergrass and B fermentation parameters and bacterial community (top 10 genera) in fermented napiergrass. Orange squares represent positive correlation (0 < r < 1), whereas blue squares represent negative correlation (−1 < r < 0). *, significant at p < 0.05; **, significant at 0.001 < p ≤ 0.01; ***, significant at p ≤ 0.001. BC buffering capacity, CP crude protein, DM dry matter, ADF acid detergent fiber, WSC water soluble carbohydrates, NDF neutral detergent fiber, PA propionic acid, NH3–N ammonia–nitrogen, AA acetic acid, LA lactic acid, LA/AA the ratio of lactic to acetic acid

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