Citation
Kilngman, Dayton L. et al.. 1983. “Systemic Herbicides for Weed Control: Phenoxy Herbicides, Dicamba, Picloram, Amitrole, and Glyphosate.” Special Collections, USDA National Agricultural Library. Accessed October 13, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/5114.