Performance Nutrition Nutrol Fungicide, 50 PoundNutrol is also a biopesticide effective against powdery mildew and a highly concentrated water soluble fertilizer. Nutrol is manufactured specifically as a low salt, water soluble, foliar and special application fungicide and plant nutrient. Its use is suggested as a supplement to a standard fungicide and fertilizer programs. The target is reduced pesticide use and enhanced yield and quality. Nutrol is a highly soluble, low salt index formulation