Fertilizers are very different from manure as follows
Fertilizers
1. Fertilizer is a man-made chemical substance which is added to increase productivity and soil fertility
2. They would be prepared in factories.
3. They do not provide humus to the soil.
4. Fertilizers are rich in nutrients.
5. They cause side effects to their organisms
Manure
1. Manure is a natural substance made from animal excreta and plant waste, that is added to increase soil fertility.
2. It would be prepared at homes and in agricultural fields.
3. It provides humus to the soil.
4. It is less rich when compared with fertilizers.
5. It does not cause harm to others.