• Tests for 5 soil nutrition factors: soil pH (pH 3.8 to 8.8) nitrate nitrogen (10 to 150 lbs/acre), phosphorus (10 to 200 lbs/acre), potassium (100 to 400 lbs/acre) and humus (low-to-high)

Includes reagents for these five tests as well as three 250-mL bottles of Universal Extracting solution, 3923E05 Demineralizer Wash Bottle, calibrated test tubes and pipets, measuring spoons, soil measures, spot plates, funnels, filter paper, stirring rods, test tube brush, water-resistant color charts, soil handbook and soil test report forms.