Soils

4-Way Analyzer

The Four-Way Analyzer measures the most important aspects of plant health: light, soil, moisture, soil pH, and soil fertility. The light reading determines the light level where the plant is located. The moisture portion reads the moisture level whe... More.

Soil Test Kit with 40 Tests

Contains liquid reagents and equipment for 40 tests. 10 tests each for soil pH, nitrogen, phosphorous, and potash. More.

Soil Temperature Thermometer

Compact dial thermometer for testing soil temperature for planting. Useful to home gardener or planter. Dual scale range 20-180° F/0-80° C with temperature zones. 2-1/2" H x 5-1/8". Probe is 4". More.

Soil Composition and Structure Kit

A great follow-up kit for the Introduction to Soil Kit listed at left (C29425N). In the first activity, describe a soil sample and develop a primary definition of soil. The second activity expands the investigation of soils by using a water column t... More.

Introduction to Soil Kit

In this kit, observe several different earth materials with a magnifying lens. The observations, including metric measurements, are used to help understand how these materials are classified and identified. Apply the skills and understanding developed i... More.