Biogas fertilizer is rich in organic matter, humic acid, micronutrients, various amino acids, enzymes and beneficial microorganisms. It is a good quick-effect fertilizer. And can also reduce the occurrence of pests and diseases, no pollution, no residue, no drug resistance. Biogas fertilizer can be used alone or in combination with chemical fertilizers, pesticides, and growth agents.
First, biogas slurry is used for top dressing
When biogas slurry is used for vegetable top dressing, the mixed biogas slurry proposed from the discharge chamber is generally used as a biogas slurry. After two portions of fresh water are used, trenches are irrigated and the root system should not be damaged when the trench is opened (do not directly apply it to prevent burning. Seedlings) After finishing chasing after soaking the fertilizer into the soil, the water is poured again. Generally, the amount of topdressing fertilizer per mu is 1500-2000 kg. When greenhouses and greenhouse vegetables use biogas slurry as top dressing, the dosage should be strictly controlled, and the amount of air release should be increased after topdressing to prevent ammonia poisoning. The more convenient way is to combine watering, adding the biogas slurry to the water and flush it with water.
Second, the biogas slurry foliar fertilizer
The biogas slurry is rich in water-soluble nutrients and is used for fertilizing vegetable leaves, resulting in quick results and high utilization rate. It can provide the nutrient demand for vegetable growth in time. When the biogas slurry is topdressing on the foliage, the extracted biogas slurry must be filtered and the supernatant must be taken. The concentration of biogas slurry should not be too large. Add 1 to 2 parts of biogas slurry and 1-2 parts of fresh water to reduce the concentration of young seedlings. Use 40 kg of mu. Can be sprayed directly on the surface of various types of vegetables spray, spraying, the main leaf back to facilitate the absorption. In the spring, autumn and winter mornings, the dew is dry and sprayed. In the summer, the high temperature at noon is to be avoided, and it is better to spray in the evening. Do not spray before the heavy rain. Frequency of topdressing was controlled once every 7-10 days, and it was stopped 15 days before harvest. Biogas slurry foliar fertilization will also play a role in sterilization, elimination of viruses, extermination of diseases, extermination of insects, and so on, so that vegetables grow more vigorous, more vivid color.
Third, biogas residue as base fertilizer
Transplanting the seedlings of the seedlings, 2,000 kg of bioslag from the Mu hole. For vegetables planted on-demand or in large areas, basal fertilizers are generally applied. For melon vegetables and fruit vegetables vegetables, such as pumpkin, wax gourd, cucumber, tomato, etc., generally large-scale large-scale fertilizer method, with about 2000 kg per mu of biogas residue plus appropriate quantitative fertilizer, such as potassium sulfate and other mixed into the hole. Cover a layer of garden soil that is 5-10 cm thick, and apply water immediately after planting.
Fourth, biogas residue as fertilizer
Biogas residue is used as topdressing fertilizer. Generally, the amount of 1000-1500 kg per acre can be applied directly to the roots of vegetables. It is necessary to avoid direct contact with the roots of vegetables to avoid burning the root system and cover the soil to increase fertilizer efficiency. It is also possible to combine irrigation, add the residue to the water, and apply it evenly into the field with the water.
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