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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
Why are manures and fertilizers used in fields?
Compare the use of manures and fertilizers in maintaining soil fertility.
Define manure. What are different manures and how do they affect the soil ?
What are fertilizers ? Classify fertilizers.
How does excessive irrigation lead to soil salinity ?
Explain the advantages and disadvantages of mixed cropping.
Why are leguminous crops desirable in crop rotation?
Explain various steps in hybridization of crop plants.
Which one is not a source of carbohydrates?
Differentiate between the following
Mixed cropping and Intercropping
