Application effect
Increasing yield and improving quality In terms of fruit cultivation, biogas fertilizer can make the tree flourish, the leaf color is thick and green, the diseases and insect pests are significantly reduced, and the fruit tastes pure, which can increase the yield by 20% -30% compared with the application of chemical fertilizers.
The long-term application of biogas fertilizer in the improved soil can loosen the soil, which is conducive to the activities of soil microorganisms and the formation of soil aggregate structures, increases soil organic matter content, enriches soil nitrogen, phosphorus, and potassium nutrients, and activates trace elements and microorganisms in the soil.
The biogas fermentation broth for controlling diseases and insect pests can be sprayed on the leaves or soaked to achieve the purpose of controlling diseases and insect pests. Combined with certain chemical pesticides, it can reduce the amount of pesticides and has better effects than chemical pesticides alone.
Application method
For topdressing and leaching acres with 1500-2500 kg of biogas slurry, it can be directly applied when the field is wet, and it should be applied against water when the field is dry. The ratio is 1: 1 to prevent rotten seeds or burned seedlings.
As a base fertilizer, deep application of biogas digester slag can be directly used as a base fertilizer, or it can be mixed with turf soil and superphosphate (or phosphate rock powder) evenly. After 1 to 1.5 months of composting, it is used as a base fertilizer. The mixing ratio is 10:10: 1. Cover the soil 5-10 cm thick after application.
As a topdressing foliar spray, apply the biogas pool liquid with normal gas production for more than 1 month, clarify, and filter with double-layer gauze before spraying. Choose to spray it every 7-10 days on sunny days, and use 40 kg of biogas slurry per mu. When spraying, the back of the leaf is mainly used to facilitate absorption.
Precautions
Biogas residues cannot be applied immediately after they emerge from the pond. The bioresilient materials are highly reducible. If they are applied immediately after they emerge from the pond, they will compete with crops for oxygen in the soil, resulting in yellowing and wilting of the leaves of fruit trees. Therefore, after leaving the pool, it should generally be stored in a septic tank for 5-7 days before application.
Biogas slurry can not be applied directly to water, and can not be directly applied to topdressing fertilizers, especially when seedlings are topdressed.
Do not over-application the application amount is generally less than ordinary manure, if blindly large-scale application will lead to crop length and reduce yield.
Can not be mixed with alkaline fertilizers such as plant ash, lime, otherwise it will reduce fertilizer efficiency.
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