How to apply microbial fertilizer scientifically?
Microbial fertilizers are also known as bacterial fertilizers or biological fertilizers. It is a kind of agricultural product containing living microorganisms. Because it contains living microorganisms, be sure to pay attention to the following points when applying compound fertilizer:
1. The optimum temperature for applying the bacterial fertilizer is 25 ° C ~ 37 ° C lower than 5 ° C or higher than 45 ° C, the application effect is poor.
2. Under high temperature, low temperature and drought conditions, farmland should not be applied.
3. There should be a suitable temperature. For example, the optimum soil moisture content of nitrogen-fixing bacteria is 60% to 80%.
4. The bacterial fertilizer should not be mixed with fungicides, insecticides, herbicides and sulfur-containing fertilizers (such as potassium sulfate) and straw ash. Because of the above pesticides or fertilizers, substances can easily kill biological bacteria. If you need to use it at the same time, you should first apply the fertilizer, and then fight the medicine after 48 hours.
5. There are certain requirements for soil conditions. For soils with high sulfur content, it is not advisable to apply biological fertilizer because sulfur can kill biological bacteria. The biological bacterial fertilizer has a better effect on the plots with higher organic matter content. On the contrary, it is not effective for plots with less organic matter.
In addition, special needs to be prompted: 1 biological fertilizer is a compound fertilizer containing a certain chemical fertilizer. It is an auxiliary fertilizer and cannot replace chemical fertilizers and organic fertilizers. 2 The application should take into account the effects of temperature, humidity, pesticides, soil fertility and other factors. 3 Biological bacterial fertilizer is not a quick-acting fertilizer. It should be applied in combination with chemical fertilizers during the nutrient critical period and maximum nutrient efficiency of crops.
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