According to the test, rice soaking with biogas slurry can increase yield by 5% to 10% compared with water soaking, and the yield increase effect is very obvious. The reason why the biogas slurry soaking seeds can increase the yield of rice, mainly because the rice seeds are soaked by the biogas slurry, which greatly activates the metabolism of the seeds, promotes the seed germination, and improves the inherent advantages of the seeds. The root system is developed; after transplanting, it returns to green quickly, with a high survival rate and strong growth, laying a good foundation for high yield. In addition, after the anaerobic fermentation of the biogas slurry in the biogas tank, it has the ability to kill pathogenic bacteria. Therefore, the rice soaked by the biogas slurry has strong disease resistance, robust plant growth, and rarely occurs.
According to the analysis of scientific research departments, biogas slurry not only contains a variety of amino acids, vitamins, proteins, enzymes, minerals, as well as auxin, gibberellin and other water-soluble nutrients that regulate the growth and metabolism of crops, and most of these nutrients The form of available nutrients exists. This is also a reason for the obvious effect of rice biogas slurry soaking.
The technology of soaking seeds in biogas slurry is very simple: extract the appropriate amount of biogas slurry from the middle layer of the normal fermentation biogas tank, put it into the tank or barrel, and then immerse the rice seeds in the mud or barrel of the biogas slurry, soak for 3 to 4 days. It is advisable to open the seeds without seeing the rice heart, and then rinse the rice seeds with clean water to germination.
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