"WardsSci000051"

This handy meter measures soil moisture at the root level to prevent over or underwatering. No batteries are needed, so there is nothing to replace or wear out. It includes an instruction booklet, watering guide, and special needs information for 15o plants that correspond to meter readings. Range: 0 (dry) to 10 (wet). Size: 4"L x 2 1/2"W x 1 1/2"H. Probe: 4 1/4"L.

Used to Examine Wood Quality and Measure Growth Rates

Various grasses allow you to compare plant anatomy, and examine why some grasses are viable economic crops. Rapidly growing types are great for testing environmental factors and how they influence growth.

Larger size for herbarium specimens.