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प्रश्न
How plants get nutrients ?
उत्तर
Nutrients are supplied to the plants by air, water and soil.
From these 16 essential elements, carbon and oxygen are obtained from air and hydrogen from water. Remaining 13 are supplied by the soil.
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संबंधित प्रश्न
Compare the use of manure and fertilizers in maintaining soil fertility.
What are the advantages of inter-cropping?
Explain the term eutrophication with suitable example
Explain why a legume crop does not require nitrogenous fertilizers ?
Explain the objectives of mixed cropping. How are crops selected for mixed cropping.
Define plant breeding? Describe the various methods of plant breeding.
Explain various methods of weed control.
Distinguish between fertilizer and manure. Give suitable examples. What are advantages and disadvantages of using fertilizer?
Which one is not a source of carbohydrates?
Cultivation practices and crop yield are related to environmental conditions. Explain.
