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प्रश्न
Classify nutrients according to their sources.
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उत्तर
Nutrients are classified into three groups according to their sources.
| Source | Nutrients | |
| 1. | Air | Carbon (C) and oxygen (O) |
| 2. | Water | Hydrogen (H) |
| 3. | Soil | Nitogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), sulphur (S), iron (Fe), manganese (Mn), boron (B), zinc (Zn), copper (Cu), molybdenum (Mo), and chlorine (Cl) |
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संबंधित प्रश्न
Choose plant’s micronutrients and macronutrients from the following Iron, Chlorine, Sulphur, Copper, Nitrogen, Calcium, Manganese, Potassium, Zinc, Magnesium, Molybdenum, Phosphorus.
How does chemical nature of the soil change due to continued use of chemical fertilizers ?
What are fertilizers ? Classify fertilizers.
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Explain the advantages and disadvantages of mixed cropping.
Why are leguminous crops desirable in crop rotation?
Mention three different ways in which insect pests can attack the crop plant.
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The crops which are grown in the rainy season are called ______ crops.
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