what are the three basic scientific approaches for increasing yield of a crop
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By using of fertilizers,pesticides,and some other materials we can get high yield. But after some time period the becomes useless.
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Three basic scientific approaches for increasing the yield of a crop are :
Crop production management: It includes proper irrigation and nutrient management. It can be done by adding manure and fertilizers. Nutrient management can also be done by crop rotation, inter-cropping and mixed-cropping.
Crop protection management: Plants need protection from weeds, insects, pests and pathogens. It can be done through mechanical methods, biological methods, chemical methods or cultural methods.
Crop variety management: Crop variety can be improved by hybridization or by transgenic measures. It can be done by obtaining desired plant characteristics.
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