Launch a preventative strike on annual grasses and broad-leaf weeds with Lawn Solutions OxaFert Herbicide & Fertiliser. A pre-emergent herbicide for most warm-season grasses, OxaFert controls weed seedlings during germination Fertilize your lawn and control weeds in one easy application. A 3kg bag will cover 100m2. Do not use on cool season grasses (Ryegrass or Fescue and newly seeded areas.)