What should we pay attention to when mixing pesticides?

What should we pay attention to when mixing pesticides? Mix pesticides and fertilizers in the right order. The mixing sequence of foliar fertilizer and pesticide is usually as follows: micro-fertilizer, water-soluble fertilizer, wettable powder, water dispersible granule, suspending agent, microemulsion, emulsion in water, water and emulsion (in principle, no more than three pesticides should be mixed) are added in turn, and the next one is added after each is fully stirred and mixed.

We should correctly master the method of pesticide mixing, and what should we generally follow? Easy first, then difficult? The principle of. When mixing, we must first understand the nature of pesticides and choose the mixed chemicals. Different pesticides have different targets for different diseases and insect pests, so it is necessary to correctly select different mixed chemicals for mixed use. For example, we should choose high-efficiency and low-toxicity products when mixing pesticides to prevent powdery mildew, and we can choose high-efficiency and low-toxicity products to mix. Different pesticides will cause different phytotoxicity.

When mixing pesticides, it is necessary to choose the same or similar pesticides as the mixed chemicals. The mixture of foliar fertilizer and spraying fertilizer should be uniform. Because the content of effective components in chemical fertilizer is higher than that in non-chemical fertilizer, if it is mixed unevenly, it will affect the effect of foliar fertilizer and the utilization effect of fertilizer. Adding proper amount of nitrogen, phosphorus or potassium fertilizer to foliar fertilizer will change the physiological characteristics of leaves, thus affecting its utilization effect. Therefore, when spraying foliar fertilizer, it is best to adjust the physiological characteristics of leaves before applying foliar fertilizer. In the process of growth and development, some crops need a lot of nutrients to meet their growth needs.

Nitrogen is the main component of plants, so nutrients such as nitrogen, phosphorus and potassium can only be completely applied to crops by foliar spraying or foliage fertilization, and the amount of fertilization should meet the specified amount of fertilizer needed by crops. If some crops lack some nutrients during their growth and development, they must use some nutrient supplements to promote the growth of nutrients and increase the yield to meet their needs. In the absence of some nutrients, the application amount of phosphorus and potassium fertilizer should be appropriately increased.