UNE 1501 – ‘ Phosphorus availability in raingrown cotton’, was conducted at ‘Colonsay’, via Brookstead, on the Darling Downs in Queensland, at a long term nutrition site, owned and maintained by Incitec Pivot for 30 y

The phosphorus dynamics of dryland cotton production require further elucidation, particularly the role of residual fertiliser P and mycorrhizal infection in yield.