802 Washington Avenue PO Box 329 Chestertown, Maryland 21620 USA
Phone:
410.778.3100
USA:
800.344.3100
FAX:
410.778.6394
Topsoil Tour
Grades 4-8 The Topsoil Tour is an investigation into the physical and chemical properties of soil. Each student on the Topsoil Tour completes seven units while conducting his/her own soil tests for soil texture, pH, nitrogen, phosphorus, and potassium using safe, simple TesTabs® reagent tablets. Tablets and sample test bags for 50 students.
