K responses on loamy soils: An emerging issue for grain crops

This GRDC Update Paper discusses how yield responses to K fertiliser are now demonstrated on loamy soil due to run down in soil K levels.
GroundCover: Agronomy still top priority for nitrogen fertiliser decisions

A survey of Western Australian growers has revealed that the number of nitrogen applications per year has increased to better match nitrogen supplies to seasonal conditions.
Updating phosphorus fertiliser knowledge for WA’s changing cropping landscape

Research emerging from a major multi-partner crop nutrition project is updating the current understanding of grain yield response to phosphorus fertiliser.