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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
How plants get nutrients ?
Give two limitations of using manure.
Compare the use of manures and fertilizers in maintaining soil fertility.
What are fertilizers ? Classify fertilizers.
Give a short account of biofertilizers.
Why is irrigation essential ?
Write down disadvantages of crop rotation.
Mention three different ways in which insect pests can attack the crop plant.
Explain the methods of controlling insect pests.
Explain various types of irrigation systems in India. How can efficiency of applied water be increased in agriculture.
