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प्रश्न
Compare the use of manures and fertilizers in maintaining soil fertility.
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उत्तर
| Manure | Fertiliser |
| It is a natural substance that is obtained by the decomposition of animal wastes (gobar) and plant residues. | It is a man-made substance. It is an inorganic salt or an organic compound. |
| It adds organic matter in the form of humus to the soil. | It adds minerals to the soil. |
| It is insoluble in water and nutrients exist locked inside the organic compounds of humus. Hence, nutrients present in manure are absorbed slowly by the crop plants | It is soluble in water and hence it's readily absorbed by the crop plants |
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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.
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.
Explain the term eutrophication with suitable example
How does chemical nature of the soil change due to continued use of chemical fertilizers ?
What are fertilizers ? Classify fertilizers.
Classify plant diseases depending upon their occurrence and transmission.
Explain the mechanism of compost formation.
Why is organic matter important for crop production?
