Choosing the right insecticide is essential for effective control of farmland pests, but at the same time it is necessary to consider its potential impact on the environment, human health and ecosystem. The following are some common types of pesticides and their applications, but please be sure to read the product description carefully before using it and follow local regulations and safety guidelines. ### 1. **Organophosphorus insecticides** -**Common varieties**: chlorpyrifos, Nematos, malathion, etc. -**Features**: Broad-spectrum insecticide, effective for a variety of pests, and rapid action. -**Precautions**: It is highly toxic and needs to be strictly protected when used to avoid harm to non-target organisms and the environment. ### 2. **Pyrethrin insecticides** -**Common varieties**: cypermethrin, cypermethrin, high-efficiency cypermethrin, etc. -**Features**: High efficiency and low toxicity, has a strong effect on the nervous system of insects, and has a short residual period. -**Precautions**: It is harmful to beneficial insects such as bees, and the flowering period should be avoided when using it. ### 3. **Carbamate insecticides** -**Common varieties**: Extinguish Duowei, Ke Budweiser, Aldrin, etc. -**Features**: It has a rapid effect and is effective against a variety of pests. -**Precautions**: It is highly toxic and needs to be used safely to avoid affecting aquatic organisms and soil microorganisms. ### 4. **Neonicotinoid insecticides** -**Common varieties**: imidacloprid, thiamethoxam, acetamiprid, etc. -**Features**: It has a significant effect on biting mouthparts pests (such as aphids and planthoppers) and has strong internal absorption. -**Precautions**: There are potential risks to pollinating insects such as bees, so use with caution. ### 5. **Biological insecticides** -**Common varieties**: Bacillus thuringiensis (Bt), Chlorobacterium albicans, Chlorobacterium chlorophytum, etc. -**Features**: Environmentally friendly, safe for non-target organisms, suitable for organic agriculture. -**Precautions**: The effect is slow, it needs to be used in advance, and it is effective for specific pests. ### 6. **Insecticides of plant origin** -**Common varieties**: pyrethrin, rotenone, neem, etc. -**Features**: Natural source, environmentally friendly, suitable for organic agriculture. -**Precautions**: The effect may not be as significant as chemical pesticides, and it needs to be applied multiple times. ### Usage suggestions： 1. **Comprehensive prevention and control**: Combine physical control (such as traps, insect nets), biological control (such as natural enemy insects) and chemical control to reduce dependence on a single method. 2. **Rotating medication**: Avoid long-term use of the same insecticide to prevent pests from developing drug resistance. 3. **Safe use**: Use in strict accordance with the instructions and wear protective equipment to avoid pollution to water sources, soil and beneficial organisms. 4. **Regulatory compliance**: Ensure that the selected pesticides comply with local laws and regulations and obtain the necessary permits for use. ### Environmental Protection and Sustainability： While controlling pests and diseases, try to choose products that have little environmental impact, and adopt sustainable agricultural management measures, such as crop rotation, intercropping, and cover crops, to reduce dependence on chemicals. Hope this information is helpful to you! If you have any further questions, please feel free to consult.