1. The management of the mouth of each field is timely, and the growth of the same crop varies. Therefore, according to the actual situation of the insect case report combined with Honda, the time of application of the drug should be applied at the right time. Both advance and push will not pay off. For example, rice aphids must be used at the peak of their incubation, and the effect is best.
2. Alternate use of the same pests, the use of different varieties of pesticides with the same effect of alternate rotation, can overcome the resistance of insect pests and obtain good control effects. For example, aphids and spider mites can be used alternately with urinary washing agents, chlorpyrifos, chlorpyrifos, methamidophos, and phoxim.
3. Mixed spray treatment Sometimes crop pests and diseases can occur several times at the same time. In order to achieve the purpose of concurrent treatment, one or two kinds of pesticides for controlling pests and diseases can be scientifically selected for use with the mixture, so as to achieve the control effect of "one arrow and two sculptures".
4. The spots where the crops are coated with crops and fruit trees are different. If the results are not the same, the plants with serious pests can be selected and directly stained with a brush. This method has special effects on red spiders and beetles on cotton, vegetables and citrus.
5. Applying any kind of pest to the mouth has its symbiotic law. It should choose the right pesticide and the best prevention time, and thoroughly and thoroughly kill and prevent it in time.
6. A drug with a broad spectrum of low toxicity, high efficiency, and less residual pesticides can cure multiple pests and diseases. For example, organophosphorus pesticides have special effects on insects such as red bollworm, aphids, thrips, and planthoppers. Once they occur, the above-mentioned pests can be treated with one spray.
2. Alternate use of the same pests, the use of different varieties of pesticides with the same effect of alternate rotation, can overcome the resistance of insect pests and obtain good control effects. For example, aphids and spider mites can be used alternately with urinary washing agents, chlorpyrifos, chlorpyrifos, methamidophos, and phoxim.
3. Mixed spray treatment Sometimes crop pests and diseases can occur several times at the same time. In order to achieve the purpose of concurrent treatment, one or two kinds of pesticides for controlling pests and diseases can be scientifically selected for use with the mixture, so as to achieve the control effect of "one arrow and two sculptures".
4. The spots where the crops are coated with crops and fruit trees are different. If the results are not the same, the plants with serious pests can be selected and directly stained with a brush. This method has special effects on red spiders and beetles on cotton, vegetables and citrus.
5. Applying any kind of pest to the mouth has its symbiotic law. It should choose the right pesticide and the best prevention time, and thoroughly and thoroughly kill and prevent it in time.
6. A drug with a broad spectrum of low toxicity, high efficiency, and less residual pesticides can cure multiple pests and diseases. For example, organophosphorus pesticides have special effects on insects such as red bollworm, aphids, thrips, and planthoppers. Once they occur, the above-mentioned pests can be treated with one spray.
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