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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.
Silver grass is an annual grass occurring in both cropping and grazing regions across Australia. There are several species, the most common being Vulpia myuros and V. bromoides.
Herbicide resistance is the inherited ability of an individual plant to survive a herbicide application that would kill a normal population of the same species.
Waterlogging causes clay to disperse in sodic soils, leading to soil structure collapse.
Annual ryegrass (Lolium rigidum) is one of the most serious and costly weeds of annual winter cropping systems in southern Australia.
Herbicides play a vital role in integrated weed management programs.
Raised beds are a long-term option for waterlogged sites and increasing crop yield on target areas.
Frost risk occurs virtually every year across southern and eastern agricultural regions. Actual occurrence of frost is determined by location and landscape factors as well as climate.
Claying involves adding and incorporating clay-rich subsoil into water repellent topsoil to overcome the repellence.
Waterlogging is a common problem in the agricultural soils of south-west Western Australia in the wetter months of winter.