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प्रश्न
Explain why a legume crop does not require nitrogenous fertilizers ?
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उत्तर
Legume crop does not require nitrogenous fertilisers because Rhizobium, a bio-fertiliser, lives in symbiotic association with the roots of leguminous plants. It fixes the atmospheric nitrogen and makes it available to the crop plants. Hence, the nitrogen requirement of the plant is fulfilled.
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संबंधित प्रश्न
Why are manures and fertilizers used in fields?
Explain various methods of fertilizer application
What are fertilizers ? Classify fertilizers.
Give a short account of biofertilizers.
Explain the advantages and disadvantages of mixed cropping.
Define intercropping. How does it differ with mixed cropping?
Why are leguminous crops desirable in crop rotation?
Define plant breeding? Describe the various methods of plant breeding.
Explain the methods of controlling insect pests.
Which one is not a source of carbohydrates?
