In rural areas, many farmers use their own pesticides to prepare them. However, this method of preparation has no scientific experimental basis. It relies on its own experience and soil methods to match, which often causes more serious phytotoxicity, resulting in a large reduction in crop yields, and even Serious pollution of the environment. Only by mastering the method of scientifically diluting pesticides can we really achieve the goal of reducing pests and diseases. The following small series will give you some methods and precautions for diluting pesticides and share them with you.
First, the method of pesticide dilution
The percentage concentration of pesticide dilution is expressed by "%", which represents the number of parts of the fertilizer contained in 100 parts of the fertilizer. Pesticides are classified into liquid, powder, and granular types, and different types of pesticides are diluted in different ways.
Liquid pesticides need to be poured into one-third of the water, then put the medicine into it and stir with a wooden stick. The preparation of pesticides in powders is complicated. It is necessary to first mix the water and the powder, and then prepare according to the proportion of pesticides required. For granular pesticides, some fillers need to be added and stirred until they reach their desired concentration.
Second, the method of watering pesticides
Usually, crops require more than one kind of pesticide. When the pesticides are mixed and added, it is not necessary to add one medicine and then add water once. Instead, each medicine should use one water to calculate the concentration of the pesticide. The results are more accurate. In addition, it is also necessary to pay attention to the fact that when adding water, it is necessary to first use a little warm water to open the liquid, prepare the mother liquor, and then prepare the liquid of the desired concentration, which can improve the efficacy of the pesticide and make it more practical. .
There is no small matter in agriculture, mastering scientific and rational pesticide preparation methods, and rational use of pesticides can truly prevent crop diseases and insect pests.
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