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Modern technology such as chemical fertilizers, pesticides, herbicides, modern agricultural machinery, artificial selection... have been used to increase food production.
Development and use of chemical fertilizers on farm land à boots levels of nutrients in the soil, increasing crop yields. Development and use of pesticides such as insectisides and fungicides à kill pests that feed on ar damage crops à increase crop yields.Development and use of herbicides à kill weeds that compete with crops for nutrients, light, water and space à increase crop yields.
Use of modern machinery, such as tractors and combine harvesters à enables land and crops to be managed more efficiently.Artificial selection to produce varieties of plants that are suited to particular climates and soil types, and breeds of animal for specific purpose such as optimum meat, milk, and wool production.
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