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प्रश्न
How do plants get nutrients?
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उत्तर
Plants require sixteen essential nutrients from nature for their growth and development. All these nutrients are obtained from air, water and soil. Soil is the major source of nutrients. Thirteen of these nutrients are available from soil. The remaining three nutrients (carbon, oxygen and hydrogen) are obtained from air and water.
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संबंधित प्रश्न
What are macro-nutrients and why are they called macronutrients?
Why are manures and fertilizers used in fields?
What are the advantages of inter-cropping?
What are advantages of using manure ?
What is green manuring ? Give suitable examples for green manures.
Explain why a legume crop does not require nitrogenous fertilizers ?
Distinguish between mixed cropping and intercropping.
Define intercropping. How does it differ with mixed cropping?
Define irrigation. Why is irrigation of crops essential? Mention the harmful effects of excessive irrigation.
Which one is not a source of carbohydrates?
