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प्रश्न
Name three most important nutrients required for plant growth.
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उत्तर
The three most important nutrients required for plant growth are nitrogen, phosphorous, and potassium.
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संबंधित प्रश्न
Why are manures and fertilizers used in fields?
Classify nutrients according to their sources.
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 is green manuring ? Give suitable examples for green manures.
Explain why a legume crop does not require nitrogenous fertilizers ?
Mention three different ways in which insect pests can attack the crop plant.
Explain the methods of controlling insect pests.
Give two examples each of
(a) Narrow leaved rabi season weed.
(b) Broad leaved kharif season weed.
What is the advantage of using insect resistant varieties?
