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.
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. These species commonly occur together.
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.
Barley grass is a common name for Hordeum glaucum and H. leporinum. It is an annual species renowned for rapidly germinating in autumn to provide valuable stock feed soon after breaking rain.
Raised beds are a long-term option for waterlogged sites and increasing crop yield on target areas. The Department of Primary Industries and Regional Development recommends that raised beds are part of a whole-farm water and salinity management program.
Waterlogging causes significant reductions in plant growth in some years and some environments in the high rainfall (greater than 600 mm annual rainfall) areas of South West Western Australia.
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. Herbicide resistance does not equate to poor performance of a herbicide.