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3. regular use of which of the following fertiliser increases the acidity of the soil? 1. potassium nitrate 2. superphosphate of lime 3. urea 4. ammonium sulfate |
| Answer» 3. regular use of which of the following fertiliser increases the acidity of the soil? 1. potassium nitrate 2. superphosphate of lime 3. urea 4. ammonium sulfate | |