Kits (pH) containing the necessary chemicals and color charts are available from garden stores ... The effect of soil pH is great on the solubility of minerals or nutrients. Fourteen of the seventeen ...

The nutrients may not be available in certain soils, or may be present in forms that the plants cannot use. Soil properties like water content, pH, and compaction may exacerbate these problems.

"Maintaining a neutral pH level is optimal for microbial activity and nutrient absorption by plant roots ... then comparing ...