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Pest Control1.1 Chemical ControlChemical control is a common method of plant...

Pest Control1.1 Chemical ControlChemical control is a common method of plant protection, which mainly uses pesticides to kill or prevent the occurrence of pests. The selection of pesticides should be matched with the type of pests and the harm degree, and should follow the principles of safety, economy, and effectiveness.1.2 Biological ControlBiological control is to use natural enemies of pests to control pests. Biological control is environmentally friendly and sustainable, but its effect is slow and unstable.1.3 Cultural ControlCultural control refers to a variety of measures taken to control pests by changing the environment, improving the soil, and enriching the microbial community in the soil. This method is safe, simple, and effective, but it needs long-term efforts and investment. Plant Diseases Control2.1 Spraying Drug MethodThis method can improve the protective effect by spraying drugs on the surface of plants. The selection of drugs should be matched with the type of disease and the degree of harm.2.2 Fertilization and Soil ImprovementThis method can improve the disease resistance of plants by fertilization and soil improvement, reduce the harm of diseases to plants, and maintain the balance between soil microorganisms and their activities.2.3 Genetic EngineeringGenetic engineering can improve the disease resistance of plants by transferring disease-resistant genes into plants. This method is safe and effective, but its cost is high and needs professional support. Weeds Control3.1 Manual ExcavationManual excavation is a traditional method of weed control, which can directly remove weeds by hand or machine. This method is labor-intensive and has high cost, but it is very effective in controlling weeds.3.2 Herbicides ControlThis method uses herbicides to kill weeds in fields, which can effectively control weeds without manual labor. However, this method may cause pollution to the environment and injury to crops. Therefore, it needs to select herbicides carefully and follow the recommended dosage and methods of use.3.3 Rotation of CropsCrop rotation is a common method of weed control, which can reduce the emergence of weeds by changing the type of crops planted in fields. This method is simple and effective, but it needs long-term efforts and planning.