Chemical fertilizers
Chemical fertilisers are materials of synthetic origin containing mainly three macro nutrients- Nitrogen(N), Phosphorus(P), Potassium(k). The desirable ratio for N-P-K is 4:2:1. Bad? 1. Widespread use leads to imbalance in soil, eroding soil nature and quality, making it unfit to be used for agricultural purposes in long run. 2. According to a study in Delhi based centre for science and environment, the use of fertilizers (that ...