As we all know, rice is the world's most widely grown crop with the largest yield. The annual rice production in China is about 180 million tons. Rice husk is the largest by-product of rice processing and accounts for about 20% of rice by weight. The annual output of rice in China from 1996 to 1997 was 260 million tons, and the annual output of rice husk was about 32 million tons, ranking first in the world. As a solid waste of agriculture and forestry, rice husk straw has been difficult to apply for a long time, and the comprehensive application rate is currently lacking 10%. How to process and apply good rice husks? Discussing the rational use of rice husks and turning waste into treasure is a serious task before us. Beijing Huaxia Kangyuan Science and Technology Co., Ltd. elaborately prepared the geostrophic soil nutrient soil auxiliaries to deal with this problem. Fermented rice husks are high quality materials for flower seedlings and nutrient soils, especially with the development of new trends in modern garden landscape industries such as “landless cultivationâ€, “vegetation nurseryâ€, “roof gardenâ€, etc., and their economic value is rapidly rising. Then how to operate the application of rice husk?
The main components of rice hull vary greatly depending on the species, origin, and processing method. Ordinary water content is about 12%, carbon content is 36%, nitrogen content is 0.48%, phosphorus content is 0.32%, and potassium content is 0.27%. The content composition of straw is similar to that of rice straw, but the rice husk has a much higher silicic acid content than straw. The ratio of carbon to nitrogen in rice hulls is as high as 75.6%, which is one of the organic materials that are difficult to ferment. The fermentation is very difficult and it is difficult for common fermentation auxiliaries to “uniformize†them.
Therefore, the rice husk fermentation should first use urea "ammonia" disposal, or use animal urine mixed stop ammoniation treatment, in order to achieve a better fermentation effect. Detailed operation is as follows:
1. Prepare one ton of rice husk, 4kg of urea and 10kg of rice bran.
2, adjust the moisture content of rice hull moisture content, and then based on the required moisture content of 60% fermentation, 500kg of water per ton of material (soaking), stacked and placed more than 24 hours.
3. After 24 hours of ammoniating disposal and stacking, when the water content of the rice husk reaches 60 to 65%, 4 kg of urea is added to 50 kg of water to make urea water, which is sprinkled on the rice husk heap on average.
4. After adding the “ammonia†treatment to the end of the seasoning, after 12 hours, 2kg of the golden baby microbial fermentation aid is mixed in 10kg of rice bran and diluted “dilutedâ€, and then spread evenly on the rice husk. The stacking height does not exceed 2m, and the aerial product does not exceed 50m2.
5, cover the end of the collapse immediately covered with cover, so that insulation, moisture. Pay attention to: rice husk accumulation and fermentation, must be a good "insulation", "moisturizing", "breathing" three off, usually 20 to 25 days to complete the fermentation, the cumulative temperature of fermentation is 1000 ~ 1200 °C. The key technology in the first week of the first fermentation is temperature control and management, especially the most important thing is to raise temperature and moisture. When the fermentation temperature reaches 65-70°C and continues for 36 hours, it can stop the first turnover and then complete the fermentation until the completion of the fermentation. The “center†of management during this period of time is to perform “ventilation†under the premise of “insulationâ€. "," "moisturizing" management.
In addition to the above-mentioned urea ammoniation pretreatment, 200 kg of livestock excreta can also be blended into a certain amount of water, and an average of one ton of rice husks can be mixed and mixed. Other operations are the same as above. This is an alternative method. Details can be consulted: Beijing Huaxia Kangyuan Technology Co., Ltd. telephone toll-free hotline
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