Title Use of Chemicals to Manage Roadside Vegetation Module 3: Characteristics of Chemicals Used for Roadside Vegetation Management
Description Presents some characteristics and actions of herbicides and plant growth regulators, as well as the terms used to describe them. 
Copyright Date 1990
Length Not specified
Originator Purdue University Cooperative Extension, USDA, EPA
Format Video (1 tape) only

2 of 2 Video copies available