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प्रश्न
Define manure. What are different manures and how do they affect the soil ?
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उत्तर
Manures are natural fertilisers. They are the source of organic matter that supply nutrients in small quantities.
There are three types of manure:
1. Farmyard manure (FYM),
2. Compost,
3. Green manure.
Manure enriches the soil with nutrients and adds organic matter (humus) to the soil. Humus improves the soil texture for better water retention and soil aeration.
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संबंधित प्रश्न
Why are manures and fertilizers used in fields?
Name three most important nutrients required for plant growth.
Choose plant’s micronutrients and macronutrients from the following Iron, Chlorine, Sulphur, Copper, Nitrogen, Calcium, Manganese, Potassium, Zinc, Magnesium, Molybdenum, Phosphorus.
What are advantages of using manure ?
Give two limitations of using manure.
How does excessive irrigation lead to soil salinity ?
Why water should be used judiciously ?
Explain advantages of irrigation.
Explain the advantages and disadvantages of mixed cropping.
What is the advantage of using insect resistant varieties?
