Write any three differences between manure and fertilizer.
Answer
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Hint: Manures and fertilizers are the compounds that are used in farming which enhances the fertility of the soil and helps in increasing the production of crops. This use of fertilizers and manures help to regain the lost nutrients from the soil and also improves soil texture and structure.
Complete answer:
Note: Other methods of gaining soil fertility are vermin-composting, crop rotation, growing of leguminous crops, etc. These methods are used to reclamation of soil fertility for upcoming crop which help in increase in production.
Complete answer:
| S. No. | Manure | Fertilizer |
| 1 | It is composed of natural materials which are obtained by decaying plant and animal waste which increase soil fertility. | It is composed of human made or natural substances that increase soil fertility. |
| 2 | Prepared in the field | Prepared in laboratories/factories. |
| 3 | Less rich in nutrients | More rich in nutrients |
| 4 | Provides humus to soil. | Do not provide humus to the soil. |
| 5 | There is no side effect of manure on the environment or on the soil. It helps in improving the physical condition of the soil. | There is a side effect of the fertilizers as it causes harm to living organisms which are present in the soil. |
| 6 | These nutrients are slowly absorbed by the plants as it is transformed in available form naturally. | These nutrients are quickly absorbed by the plants as they are present in available form for the plants. |
| 7 | It is economical | It is costly |
| 8 | Large quantity of manure is used in field | Less fertilizer is used in the field. |
Note: Other methods of gaining soil fertility are vermin-composting, crop rotation, growing of leguminous crops, etc. These methods are used to reclamation of soil fertility for upcoming crop which help in increase in production.
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