Topsoil Tour

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.

Item Description

Order Code

Topsoil Tour

5425

Reagent Refill

R-5425