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Permanent raised beds are a practical and economic means of managing some waterlogged sites in wetter areas of the Western Australian grainbelt.
Herbicide performance can vary greatly depending on a number of factors. These can include compatibility of herbicides, water quality, sprayer decontamination and controlling stressed weeds.
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.
Claying involves adding and incorporating clay-rich subsoil into water repellent topsoil to overcome the repellence.
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.
Adult and nymph aphids suck sap with large populations limiting grain yield and size, especially winter and spring infestations.