Controlling weeds in pastures is important because they:
- Compete with grass for space, light, nutrients and water
- Are unpalatable to stock
- Can be poisonous e.g. ragwort or buttercup
- Take over the pasture and left unchecked limit ability to graze
- Can spread to neighbouring properties
- Make pastures look messy, untidy and unkempt.
Herbicide control options
A grassland herbicide will not cure the underlying problems but will help renovate the pasture to a more productive level for a period of time.
Knapsack control works out more cost-effective if weed populations are below 5% (count number of docks and/or thistles in a 5m x 7m area – this number gives the % weed population).
Choose a product that will deliver a:
- High level of safety so grass growth is unaffected
- Grazing interval that is short so animals can return back to paddocks quickly
- High level of grass safety so grass growth is unaffected