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Mechanism of action:
1. Enhance soil fertility The application of nitrogen-fixing microbial fertilizer can increase the source of nitrogen in the soil; the phosphorus-dissolving and potassium-dissolving micro-fertilizer can decompose the insoluble phosphorus and potassium in the soil and transform it into phosphorus and potassium that can be absorbed and utilized by crops. Compounds that improve the nutritional conditions of crops.
2. Manufacture and assist crops to absorb nutrients Rhizobium infects the roots of legumes and fixes nitrogen in the air. Microorganisms can produce large amounts of plant growth hormone during reproduction, stimulate and regulate crop growth, make plants grow robust, and promote the absorption of nutrients.
3. Enhance the disease resistance and drought resistance of plants. Microbial fertilizers inhibit or reduce the breeding opportunities of pathogenic microorganisms due to the large amount of growth and reproduction in the roots of crops; the role of pathogenic microorganisms to reduce the disease of crops; the growth of microorganisms, the increase of hyphae The absorption of water increases the drought resistance of crops.
Application technique:
1. Seed dressing: first spray the surface of the seed with water, then put the seed into the bacterial fertilizer and stir it so that the surface of the seed is evenly covered with the fertilizer to sow.
2, nursery: bed type or tray type seedlings, the bacteria fertilizer can be mixed into the nursery soil for 3 days, then made into a seedbed or loaded into the seedling tray; when the nursery seedlings, the bacteria fertilizer is evenly mixed into the nutrient soil In the middle, it is made into nutrition.
3, acupoint application: first mix the bacterial fertilizer with the moist fine soil, apply it in the transplanted or transplanted holes, then transplant the seedlings or transplant the soil.
4, 蘸 root: add some fine soil to the bacterial fertilizer, add appropriate amount of water to mix into a slurry, the transplanted sputum or cutting seedlings in the mud for a few minutes, and then transplanted with seedlings or cuttings.
5, chasing: the bacteria fertilizer into a bacterial fertilizer aqueous solution, watering in the crop line or in the shallow ditch around the fruit trees, after the pouring is covered with soil.
6, spraying: some liquid bacterial fertilizer, can be used for foliar fertilizer application, the method is to add water 100 times, fully mixed, sprayed on the front and back of the blade.
Note on application:
1. Use quality microbial fertilizers. Products with low quality, high levels of bacteria or expired cannot be applied.
2. Minimize the death of microorganisms during application. The bacteria fertilizer should be protected from direct sunlight. When seed dressing, it should be operated in a cool place. After seed dressing, it should be planted in time and immediately covered with soil. Bacterial fertilizer should not be mixed with harmful pesticides or chemical fertilizers.
3. Create a suitable soil environment. Acidic soil should neutralize soil acidity. When the soil is too dry, it should be poured in time. After heavy rain, the water in the field should be removed in time. The soil should be improved, cultivated reasonably, and the permeability of the soil should be improved. The mineral nutrients necessary for microbes should be supplemented in a targeted manner.
4, according to local conditions to promote the application of microbial fertilizer Rhizobium fertilizer fertilizer production has obvious effects, can be widely used in legume crops. For other microbial fertilizers, the effects of different bacterial fertilizers should be explored, and the application amount and application method should be gradually promoted.
Types, mechanisms and application techniques of microbial fertilizers
Types: There are many types of microbial fertilizers. According to their mechanism of action, they can be divided into rhizobial fertilizers, nitrogen-fixing fungi, phosphate-dissolving fertilizers, and potassium-dissolving fertilizers. The rhizobial fertilizer can be further divided into slow-growing rhizobium and fast-growing rhizobium; nitrogen-fixing fungi can be divided into nitrogen-fixing rhizobium and rhizosphere combined nitrogen-fixing bacteria; phosphate-dissolving fertilizers include organic phosphorus bacteria and inorganic phosphorus bacteria. According to the content of the product, it can be divided into simple microbial fertilizer and compound (or mixed) microbial fertilizer. According to its form, it can be divided into solid and liquid.
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