Do You Need Surfactant with Roundup?

Several glyphosate products contain a surfactant already in the formulation so no additional surfactant is required. ... Virtually all glyphosate products, however, recommend the addition of a spray grade ammonium sulfate (AMS).

Should I use a surfactant with Roundup?

Many glyphosate products come “fully loaded,” meaning they are formulated to include a surfactant. ... A non-ionic surfactant (NIS), at a rate of 0.25 percent to 1.0 percent (1 quart to 1 gallon per 100 gallons of spray solution), should be used for glyphosate products which require the addition of a surfactant.

Will herbicide work without surfactant?

Overall, applying any surfactant should increase the herbicides effectiveness and therefore reduces the amount of herbicide you use to control weeds.