Jump to navigation
Skip to Content
Summer weeds can rob subsequent crops of soil nitrogen and stored soil water. They can also reduce crop emergence by causing physical and/or chemical interfence at seeding time.
In-crop weed competition causes losses costing around $1 billion per annum for Western Australia.
Preventing weed seed set provides an opportunity to control weed seed set in the pasture, late fallow, late stubble and in-crop phases.
This management strategy provides an opportunity to control weed seed set in the pasture and during harvest.
‘Risk-aware’ growers can implement strategies to reduce and avoid unnecessary introduction and spread of weeds.
The most accurate way to estimate the weed population of a paddock is to count the number of plants in an area of known size at a number of locations.
The term 'residual' applies to a number of herbicides that have a long lasting activity in the soil. These herbicides are often applied directly to the soil prior to planting crops, pre-emergent.
Testing for herbicide susceptibility allows you to determine what herbicide options are still available to control weeds on your farm.
Spray-topping or pasture topping is the application of a sub-lethal rate of herbicide when grasses are coming into head and flowering.
Doublegee or spiny emex is a significant weed in Western Australia. It is a vigorous annual herb with a strong tap root and a long, fleshy, hairless stem.