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प्रश्न
Why are manures and fertilizers used in fields?
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उत्तर
Manures and fertilizers are used in fields to enrich the soil with the required nutrients. Manure helps enrich the soil with organic matter and nutrients, improving its fertility and structure. Fertilizers, on the other hand, ensure healthy plant growth and development. They are a good source of nitrogen, phosphorus and potassium. To get an optimum yield, a balanced combination of manures and fertilizers is instructed in the soil.
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संबंधित प्रश्न
What are macro-nutrients and why are they called macronutrients?
Compare the use of manure and fertilizers in maintaining soil fertility.
Distinguish between micronutrients and macronutrients. Give suitable examples.
Distinguish between farmyard manure and compost manure.
Explain why a legume crop does not require nitrogenous fertilizers ?
Mention three effects of excessive irrigation.
Why water should be used judiciously ?
Classify plant diseases depending upon their occurrence and transmission.
Mention three different ways in which insect pests can attack the crop plant.
Distinguish between fertilizer and manure. Give suitable examples. What are advantages and disadvantages of using fertilizer?
