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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.
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.
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.
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.
Herbicides can be applied by a variety of means including boom sprayers, aerial spraying, misters, blanket wipers, rope wick applicators, weed seekers and back-pack sprayers.
Waterlogging is a common problem in the agricultural soils of south-west Western Australia in the wetter months of winter.