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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.
Up to date autumn/winter and winter/spring insecticide spray guides are provided by the department every year to help growers and consultants manage insect pests in canola, lupin and cereal crops.
'Crop-topping' is the late application of herbicides to prevent weed seed-set.
Spray-topping is a very effective method for managing annual grass seed set in pastures.
Following the extended dry conditions this autumn, weeds are now emerging and becoming a challenge for growers to manage in paddocks that may have patchy crops, crops with staggered emergence or no
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 interference at seeding time.
Hyssop loosestrife (Lythrum hyssopifolia) is a widely distributed weed in the south west of Western Australia.
‘One Health’ is an internationally supported approach that recognises that the health and well-being of animals, people and the environment are closely linked and that international, national and
Testing for herbicide susceptibility allows you to determine what herbicide options are still available to control weeds on your farm.
Options for control of winter broad leaved weeds, in pastures, is a common inquiry. A fairly reliable method is spray grazing.