How to ferment rice husk into a good matrix The main components of rice hull differ greatly depending on the variety, origin, and processing method. Generally, the water content is about 12%, carbon content is 36%, nitrogen content is 0.48%, and phosphorus content is 0.32. %, containing 0.27% of potassium, the composition of rice husk and rice straw is roughly similar, but rice husk has much higher silicic acid content than straw. The carbon-nitrogen ratio of rice hulls is as high as 75.6%, which is one of the organic materials that are difficult to ferment. Generally, it is difficult for the fermentation auxiliaries to “uniformize†them. Therefore, rice husk fermentation should first use urea "ammonia" treatment, or use livestock urine mixed ammoniation treatment in order to obtain a better fermentation effect.
How to operate? The first is the preparation of materials: about 1 ton of rice husks, 4 kg of urea and 10 kg of rice bran. Next, the rice husk is humidified, and 500 kg of water per ton of material is added (soaking) to make the moisture content reach 60 to 65%, and to accumulate for more than 24 hours. Then 4 kg of urea is added to 50 kg of water to make urea water and evenly sprinkled. In the rice husk stack, after 12 hours, 2 kg of Tribolium microbial fermentation aids were mixed in 10 kg rice bran, fully "diluted", and then spread evenly in the rice husk heap, the accumulation height of which did not exceed 2 m. The area is not more than 50m2; it is appropriate to cover the air-permeable cover immediately after the accumulation, so as to maintain the heat and moisture. When the fermentation temperature reaches 65-70°C and continues for 36 hours, it can be turned for the first time. Afterwards, it is turned over several times until the fermentation is completed. The "core†of management during this time is “incubationâ€. Under the premise of doing a good "ventilation", "moisturizing" management. Details can visit the website or consult.
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