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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.
Powdery mildew is a fungal leaf disease that reduces yield and grain quality in susceptible wheat varieties.
Waterlogging causes clay to disperse in sodic soils, leading to soil structure collapse.
Permanent raised beds are a practical and economic means of managing some waterlogged sites in wetter areas of the Western Australian grainbelt.