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First, the method of soaking corn seed with biogas slurry: First, dry the corn seed for 1-2 days, then remove the seeds and then use the fermented biogas slurry to soak seeds. The corn to be immersed is packed in a plastic woven bag. It must not be filled too much (2/3 of the bag volume) and then placed in biogas slurry for 12 hours. Remove and rinse with water and dry. (The coated seeds must not be soaked in the pool)
Second, the biogas slurry spraying wheat method Spraying wheat with biogas slurry can prevent locust invasion and head blight. The specific method for controlling locusts is to take 14 kg of biogas slurry and 0.5 kg of detergent solution (the solution is prepared at a ratio of 0.1:1 for washing powder and fresh water) and configure it as a compound insecticide for biogas slurry. Spray it with a sprayer. Spraying 35 kilograms per acre field, and spraying once again the next day, spraying time is best to choose sunny morning. The specific method of controlling scab is: using biogas slurry spray, the amount used is 50 kg per acre, spraying once during full flowering period, spraying once every 3-5 days.
Biogas slurry is the residual liquid after anaerobic fermentation of various organic substances in biogas. It contains not only the abundant nutrients needed for plants, but also a large number of microbial metabolites, and it also contains various insecticidal and antibacterial ingredients. Seed soaking with biogas slurry can increase the germination rate and rate of seed formation, and has the effect of keeping seedlings and seedlings. Used to spray control of a variety of crop pests and diseases. The specific application method is as follows: