Kits (pH) containing the necessary chemicals and color charts are available from garden stores ... Fourteen of the seventeen essential plant nutrients are obtained from the soil. Before a nutrient can ...

"It's not just soil pH or nutrient levels that make a difference ... then comparing the results to a chart. Depending on the ...

Nutrient recommendations are based upon soil test calibration studies that relate the probability of a profitable plant response to nutrient addition to the plant nutrient concentration in the soil as ...

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.

Soil pH, which reflects the acidity level in soil, significantly influences the availability of plant nutrients, microbial activity, and even the stability of soil aggregates. At low pH ...