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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 ?
Explain various methods of fertilizer application
Give a short account of biofertilizers.
Distinguish between mixed cropping and intercropping.
Explain various steps in hybridization of crop plants.
Define plant breeding? Describe the various methods of plant breeding.
Explain what will happen if in a cultivated field only manures are supplied and in another field only fertilizers are supplied, keeping all other conditions similar.
Compare between mixed cropping and intercropping. Write down from advantage of both of these techniques.
Why is organic matter important for crop production?
