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प्रश्न
Write down two advantages of fertilizer over manure
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उत्तर
The advantages of fertiliser over manure are as follows:
1. Fertiliser is very rich in plant nutrients such as nitrogen, phosphorous, and potassium, whereas manure has a low nutrient content.
2. Fertiliser is soluble in water and hence readily absorbed by the crop plants, whereas nutrients in manure are absorbed very slowly as nutrients exist locked inside the organic compounds of humus.
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संबंधित प्रश्न
Compare the use of manure and fertilizers in maintaining soil fertility.
Choose plant’s micronutrients and macronutrients from the following Iron, Chlorine, Sulphur, Copper, Nitrogen, Calcium, Manganese, Potassium, Zinc, Magnesium, Molybdenum, Phosphorus.
Compare the use of manures and fertilizers in maintaining soil fertility.
What is green manuring ? Give suitable examples for green manures.
What are fertilizers ? Classify fertilizers.
Why is irrigation essential ?
Explain the advantages and disadvantages of mixed cropping.
Define intercropping. How does it differ with mixed cropping?
Define irrigation. Why is irrigation of crops essential? Mention the harmful effects of excessive irrigation.
Differentiate between the following
Mixed cropping and Intercropping
