Q. Which one of the following is not a fertilizer? (Solved)
1. Ammonium sulphate
2. Calcium sulphate
3. Calcium ammonium nitrate
4. Potassium nitrate
- b. Calcium sulphate
1. Ammonium sulphate
2. Calcium sulphate
3. Calcium ammonium nitrate
4. Potassium nitrate