A pH test, for example, determines the acidity, alkalinity, or concentration of hydrogen ions.
A soil texture test might be used to determine the percent/proportion of sand, silt, and clay-sized particles that make up the solid inorganic phase of soil. This physical test might aid in sustainable agriculture by determining if soil additions such as sand, clay, or humus should be added to impact ion exchange capacity, moisture content, and water-holding capacity.
Soil test can refer to one or more of a wide range of soil analyses performed for a number of purposes. Soil tests to assess plant-available concentrations of plant nutrients in order to generate fertilizer recommendations in agriculture are maybe the most commonly performed.
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