Compare the use of manure and fertilizers in maintaining soil fertility.
Manure:
Manure enriches the soil's nutrients without reducing its fertility.
Fertilizers:
Chemical fertilizers can reduce soil fertility when used often.
Fertilizer: | Manure: |
They are substances that are added to the soil to increase fertility. | They are organic fertilizers. |
They can be of natural origin or can be chemical substances. | Maximum contains animal feces. |
Chemical fertilizers added to the soil persist and can lead to the accumulation of toxic chemicals. | While some contain plant-based materials known as green manure. |
They do not provide humus to the soil. | They provide humus to the soil. |
They are rich in nutrients. | It is relatively less in nutrient content. |
They are synthesized in factories. | They can be made in fields. |