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प्रश्न
Explain advantages of irrigation.
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उत्तर
Advantages of irrigation are as follows:
1. It provides freshwater to the crop plants.
2. It provides moisture for the germination of seeds.
3. It is essential for the growth and elongation of the roots of the crop plants.
4. It is essential for the absorption of nutrient elements by the crop plants from the soil.
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संबंधित प्रश्न
How do plants get nutrients?
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.
What are fertilizers ? Classify fertilizers.
Describe the biological method of weed control.
Classify plant diseases depending upon their occurrence and transmission.
Define irrigation. Why is irrigation of crops essential? Mention the harmful effects of excessive irrigation.
Explain various types of irrigation systems in India. How can efficiency of applied water be increased in agriculture.
Explain the various preventive measures against insect pests.
Differentiate between the following
Mixed cropping and Intercropping
