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Poly-S Urea and STEP Hi-Mag micronutrients
In many areas
Bark banding application is a quick
Agricultural Research Service Information Staff
Hydrothol 191 Aquatic Algicide Herbicide - 2.5 Gallon Quali Pro MSM Turf Herbicide Poly-S Urea and STEP Hi-MagHydrothol 191 is a liquid formulation that provides control of both weeds and algae. Used primarily as an algicide at rates of 0. 05 0. 3 ppm, it provides excellent control of a broad spectrum of algae including planktonic, filamentous, and branched algae. Hydrothol 191 also provides control of aquatic vascular plants and can be tank mixed with Aquathol K to improve the efficacy on difficult to control weeds. Hydrothol 191, works relatively quickly
