A high strength herbicidal composition including: water glyphosate, predominantly in the form of a combination of dimethylamine salt and potassium salt, in solution in the water in an amount of about 350 grams or greater of acid equivalent per liter of the composition, wherein the composition is formulated to include dimethylamine in an amount to form a salt with about 5% or greater, by weight, of total glyphosate and to include potassium in an amount to form a salt with a percentage of total glyphosate so that the combined sum of glyphosate in dimethylamine and potassium salts is at least 45% of total glyphosate and optionally, one or more surfactants and/or one or more humectants.
