Fertilisers | Manures |
They are commercially manufactured chemical products/inorganic salts which contain essential plant nutrients. | They are a product of decomposition of organic matter which is rich in nutrients required by the plants. |
Fertilisers are produced in factories. | Manures can be prepared in the field. |
Fertilisers do not add humus to soil. | Manures add a lot of humus to soil. |
Fertilisers are rich in plant nutrients like nitrogen, phosphorus, and potassium. | Manure is relatively less rich in plant nutrients. |