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प्रश्न
What are fertilizers?
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उत्तर
Fertilisers are organic or inorganic materials that are mixed in the soil to provide plant nutrients essential to the growth of plants. Fertilisers supply nitrogen, phosphorous, and potassium (NPK).
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संबंधित प्रश्न
Why are manures and fertilizers used in fields?
Classify nutrients according to their sources.
Write down two advantages of fertilizer over manure
During the downpour in a village, the rain water carried away excess of nitrogenous and other compounds present in the soil to a pond. How will they affect the growth of algae and phytoplankton in the pond ?
Define manure.
Explain why a legume crop does not require nitrogenous fertilizers ?
Explain advantages of irrigation.
Explain various methods of weed control.
Discuss the various methods which are used to control plant diseases.
Differentiate between the following
Mixed cropping and Intercropping
