Organic fertilizers are those fertilizers which are obtained from organic matter such as wastes from animals,plants,humans and also natural substances like rocks.
They can be either found in nature or manufactured in factories.
Animal and plant wastes are naturally occuring organic fertilizers,while ammonia and rock dust are extracted and manufactured.
Organic fertilizers are important for the production of vegetables and fruits and other crops which are not harmful to our health.They are also less harmful to the soil ,as compared to synthetic fertilizers.
Some important organic fertilizers :