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Topic Content:
- The Use of pH Scale
- The Use of Litmus Paper
- Electrometric Determination of Soil pH
- Calorimetric Determination of Soil pH
- The BDH Soil Test
- Crops that Can Do Well in Each of the Soil Types
The laboratory work on the chemical properties of the soil can be carried out using these methods:
1. The Use of pH Scale:
The pH scale which has a range from 1-14 has a pointer. The figure, which the pointer points to, reflects the pH value. For instance, if the pointer of the pH scale reads a pH value of 2, it shows that the sample under test has a lower pH or pH lower than 7. Thus, the soil sample is acidic.
2. The Use of Litmus Paper:
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