As a rule, predictive, or routine, analyses are conducted on samples sent in prior to the growing season. Reports based on these analyses give growers specific lime and fertilizer recommendations for the intended crop.
Recommendations given on all routine soil reports are computer generated.
Diagnostic, or problem, analyses are conducted on samples sent in during the growing season. These analyses are designed to diagnose a suspected nutrient problem and provide recommendations for corrective action. Staff agronomists review the analytical data and target their recommendations to the specific problem at hand. Soil testing services are free for all North Carolina citizens. Soil analysis includes some or all of the following steps, which correspond to the numbered steps and graphics above.