Brian E. Whipker, Ph.D., Paul Cockson, Patrick Veazie, David Logan, and W. Garrett Owen, Ph.D.From Brian E. Whipker, Ph.D., Paul Cockson, Patrick Veazie, David Logan, and W. Garrett Owen, Ph.D.Cannabis Plant NutritionWhat’s in Your Water?Regular tests for key chemical elements can help growers avoid nutrient problems and proactively adjust fertilizer programs when needed.January 1, 2023Greenhouse Cannabis CultivationPut Your Fertilizer Program to the TestResearchers compared three fertilizer programs to determine how much of each nutrient cannabis really needs.February 8, 2021Page 1 of 1