Biogas slurry refers to the bright brown liquid formed after decomposition of fermented material in the biogas digester. It is mainly used as a root dressing and foliar dressing, and has a rapid fertilizer effect. After the production of biogas, the residue waste water is a treasure. Most of the pathogens and eggs in the raw materials have been killed. It is an ideal pollution-free fertilizer and has the advantages of no pollution, high efficiency, and fertility. It is a good fertilizer for flowers. The technical points are:
(1) Open cultivation
1 Base fertilizer: In the first half month, combined with site preparation, apply 2 kg of biogas fertilizer per square meter and mix well. If it is a hole plant, depending on the size of the tree, 1-2 kilograms per hole, cover soil 10 cm, and then plant. The rare varieties are best not to put the base fertilizer, but instead to loosen the soil to cushion the hole, live after the root slot extraction fertilization.
2 topdressing: topdressing should be strictly controlled according to need, and the different flower varieties need fertilizer absorption capacity is not exactly the same. Therefore, the application of biogas fertilizer should be different. Fast-growing flowers, herbaceous flowers, foliage flowers, which can be sprayed once a month in January, with 3 parts of biogas slurry and 7 parts of water, slow growing flowers, woody flowers, flowers, and flowers. Fertility requirements, 1 part of biogas slurry plus 3 parts of water top dressing. Acupuncture points: digging points can be used at the root tip, using biogas slurry, biogas residue, mixed application, depending on the size of the tree, ranging from 0.5 to 5 kilograms.
(2) Potted plants
1 Preparation of culture soil: After 3 months of decomposition of biogas residue and good weathering of the mountains and mix well, the ratio: 1 kg of fresh biogas residue, 2 kg of mountain soil, or 1 kg of dry residue, 9 kg of mountain soil.
2 change pots: potted plants after planting 1? 3 years, need to change soil, expand maggots, general varieties can be used in the method of preparation of culture soil fill, rare species need to add a little bit of soil to reduce the content of biogas fertilizer. Where new planting, change potted flowers, do not see new leaves do not top-dressing (20-30 days).
3 topdressing: potted flowers are generally less soil, less nutrients, need artificial supplements, but it is not time to fill, how much accurate, is potted flowers, especially the key to the balcony of flowers.
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