Degraded in the soil by micro organisms. Product should be applied to the weed only. Kills most garden weeds with a single application. Why should I use ROUNDUP Fast Action Ready To Use Weedkiller?. Ready to use straight from the bottle, this premixed glyphosate formula moves through weeds all the way to the roots and is naturally broken down within a week by micro-organisms in the soil, so you can get planting again.
eBay