Q- Define Biofertlizers.
Answer- Biofertilizers: Biolfertilizers involves the use of organic matter such as waste of fruits, vegetables, dead plants and animals. The biofertlizers are eco friendly and are not harmful for the soil as well as our eco system. It is not so easy to store biofertilizer but the production done using biofertilizers is not harmful just like the crop produced using synthetic or chemical fertilizers.