Different from the cultivation of wheat, corn and other large field crops outside the greenhouse, the following points should be noted when planting vegetables in the greenhouse, and the Chinese pesticide net Xiaobian will analyze it for you;
First, it is necessary to establish a scientific concept of prevention and treatment. For greenhouse vegetables, we need to strictly follow the principle of “prevention first, comprehensive prevention and control†in the prevention and control of pests and diseases, and do a good job in planting management measures. It is necessary to use pesticides to prevent and treat diseases as an auxiliary method for disease prevention, and it is best to prepare crops. No disease is considered to be the most effective method of plant protection.
Second, master the characteristics of the disease to correctly identify the medication. First of all, it is necessary to find out whether it is necessary to use pesticides to control crops, such as figuring out the difference between disease root rot and roots, fertilizer and blight; and figuring out where the disease occurs. For example, the roots, stems or leaves; figure out the type of disease, such as whether it is a fungal disease or a bacterial disease; to find out whether the disease can be treated or need prevention, such as tomato late blight, blight or ulcer disease.
Third, choose the right medicine. For the prevention of diseases, it is preferred to use a fungicide with good dispersibility, broad spectrum of sterilization, and vegetative plants.
Fourth, choose the right method of medication. Take different medication methods for diseases in different parts.
Fifth, to ensure the benefits of medication. Make sure the amount of spray. At the concentration used, the user needs to walk slowly in the field to achieve a uniform spray.
Sixth, let the atomization be fine. Due to the finer droplets coming out during spraying, the degree of atomization is as good as possible, and the droplets can be evenly sprayed onto the surface of the crop. It is recommended to use a spray nozzle having a diameter of about 0.9 mm. The sprayer's spray head needs to be kept at a specific distance from the plant.
Do the above to get the most out of the pesticide .
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