Mixing raw materials and accessories. During organic fertilizer production, in order to adjust the C/N, PH value, moisture content, etc., some accessories must be added. The main raw materials and auxiliary materials are roughly stacked together in proportion, then they can be mixed by compost turn ...
Aerobic fermentation has some limitations, such as, the moisture content should be 45%-60%, the environment temperature should be above 15℃, and the ratio of carbon to nitrogen is 25/1 to 35/1, so the following steps must be mastered no matter which method is adopted. Humidity control. In the proce ...
With the improvement of the awareness on environmental protection and energy saving, many pig farms have established biogas digesters and septic-tank to treat manure ans urine. However, the solid-liquid separation of the fecal materials is not finished before entering the biogas digester, which will ...
First is direct stacking fermentation. This way takes longer, but costs less. Specifically, the pig manure and soil were mixed evenly and piled up under the environment above 15℃, then the dunghill should be covered with plastic sheeting to speed up fermentation. After about 20 days, open the manure ...
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