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प्रश्न
What is green manuring ? Give suitable examples for green manures.
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उत्तर
Green manuring is a practice of ploughing and mixing of green crops in the soil for improving the physical structure as well as the fertility of the soil. Green manures are generally thick growing leguminous and non-leguminous plants.
Examples of green manures: Horse gram (Dolichos uniflorus), cowpea or lobia (Vigna sinensis), and lentil or masoor (Lens culinaris).
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संबंधित प्रश्न
Why are manures and fertilizers used in fields?
What are fertilizers ? Classify fertilizers.
How does excessive irrigation lead to soil salinity ?
Mention three effects of excessive irrigation.
Explain the advantages and disadvantages of mixed cropping.
Explain various steps in hybridization of crop plants.
Classify plant diseases depending upon their occurrence and transmission.
Mention three different ways in which insect pests can attack the crop plant.
Explain various methods of weed control.
What is the advantage of using insect resistant varieties?
