How to use and buy bio-fertilizer correctly

Due to the use of chemical fertilizers for successive years, the soil is severely compacted, and the utilization rate of chemical fertilizers is getting lower and lower, and the quality and yield of crops are difficult to increase. In recent years, biological bacterial fertilizer has gradually emerged in various regions. Biofertilizer is still a new thing for many farmers. How to properly purchase and use it must pay attention to the following points:

When purchasing biofungus fertilizers, pay attention to whether they have passed the period of validity of the product. Generally, the activity of biofungus fertilizers exceeding 1 year of production date will be significantly reduced. Look at whether or not there is a Ministry of Agriculture registration certificate. All products produced by regular manufacturers should be registered with the Ministry of Agriculture. The Provincial Department of Agriculture does not approve the registration of biological fungicide. The bio-fertilizers with *** province's agricultural fertilizer registration are counterfeit products. Prevent normal organic fertilizers from posing as biological bacterial fertilizers. In addition, we must see whether the number of active bacteria indicated on the packaging bag meets the national regulations (the state requires that the number of viable bacteria in the biofungicide is ≥200 million/g, and granular ≥100 million/g. The composite microbial fertilizer and bio-organic fertilizer are effective. The number of viable cells was ≥20 million/g). Unqualified biofungus will never be purchased.

Biofungus can be used alone. However, it is best to use a mixture of fully decomposed organic fertilizers. The effect is much better than the use of organic fertilizer or biological fertilizer alone. Biological bacterial fertilizers should not be directly mixed with chemical fertilizers. High-concentration chemical substances have toxic effects on microorganisms in biological bacterial fertilizers. Special attention should be paid to the inability to mix bacterial fertilizers with sulfur-containing chemical fertilizers and straw ash, because such fertilizers are easier to use. Kill the beneficial bacteria in the fungus.

After disinfecting the nutrient soil for soil or vegetable seedlings in greenhouses, it will take at least 10-15 days before the biofertilizer can be applied. It is important to remember that no biofertilizer can be applied before soil disinfection. Fertilizers and fungicides, insecticides, herbicides should not be applied at the same time. Generally, the fungicide should be used after 48 hours of application of the bacterial fertilizer. It should not be mixed with the seeds that have been mixed with the bactericide.

The use of biofungus is related to soil conditions. If the soil is too dry or too wet, it will not be conducive to the growth of biological bacterial fertilizer. The suitable soil moisture is about 60%. If used in paddy fields, it is best to use the spray method in the early morning or evening.

Biofungus is very sensitive to UV rays in sunlight. When storing or using, try to avoid direct exposure to strong light. Therefore, surface spraying is generally not used in production, and it can be applied on cloudy days or in early morning and evening and in soil. When spraying, spray on the back of the leaves of the plants.

After the biological bacterial fertilizer is applied to the soil, there is a process in which the bacterial flora reproduces and grows. Therefore, it takes 10-15 days before the crop to be applied, after which the biological bacterial fertilizer can supply the crop nutrients in a long-term, uniform and continuous manner.

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