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| 1. |
What are three stages at which improvement of crops can be done |
| Answer» The stages at which crop improvement can be done are:a) Seed selectionb) Application of fertilizers: Plant nutrients which are commercially produced in factories are called fertilizers. Fertilizers supply important nutrients; especially nitrogen, phosphorus and potassium.c) Irrigation: Artificially supplying water to crops is called irrigation. Agriculture in India is highly dependent on monsoon rains. Hence, farmers often need to supply water to crops through irrigation. Timely irrigation helps in improving farm yield. Wells, canals, rivers and tanks are the main sources of irrigation. | |