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1. Biological fertilizer is not afraid of water, but it is not soaked in water for a long time. Applying dry and wet irrigation in rice fields can promote the activity of biological bacteria and accelerate the growth of seedlings.
2. Biological fertilizer is afraid of severe drought. Because the biological fertilizer can resist drought, after the biological fertilizer is applied to the soil, the flora is alive, and it is conditional to start feeding the crops. When it encounters drought, it has drought resistance. If the soil water content is below 35% before the application of biological fertilizer, it is a soil with severe drought, which will affect the growth and reproduction of biological fertilizer. The moisture content in the soil is 50-70%.
3, the biological fertilizer is used underground (base fertilizer) better than the ground (stem leaves), this is because the crop absorbs about 70% of the underground part of the nutrient, the above-ground part only accounts for 30%. Therefore, the two-pronged approach on the ground floor is the best.
4, the optimum application time is early morning and evening or no rainy cloudy because the ultraviolet rays in the sun will kill the bacteria in the fertilizer.
5, the amount of biological fertilizer per mu is about 2 kg per mu, the amount of rice and cotton should be slightly higher, 2 kg per mu is divided into 1 kg for the base fertilizer, 1 kg for the ground and the heading for the tiller. Spray 0.5 kg each during the flowering period.
6. Some people say that the cost of putting fertilizer is high, but it is not high. The bio-fertilizer is matched with organic farmyard manure, which can save at least 20-40 yuan per mu compared with half of the chemical fertilizer. The application of biological fertilizer has the function of preventing pests and diseases, and it is necessary to reduce the amount of pesticide input and increase production. The benefits are even more impressive.
7. How much water is used when spraying bio-fertilizer? According to the number of crops per acre and the total amount of leaf surface. If 0.5 kg of biological fertilizer is applied, it should be filled with 50-75 kg of water, as long as the back of the leaf is sprayed.
8. How many days will it take to see the effect after applying the biological fertilizer? According to the bacteria inoculated with soil, there is a process of adaptation, growth, feeding and reproduction. This process takes 1-3 days. When the environment of the bacteria is stable, it starts to move. This process takes about 3-5 days. After 15 days, it can work, see the results, and supply crop nutrition in a long-term and balanced manner.
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