GroundCover: Loamy soils’ potassium status under review

A spotlight is being trained on the potassium status of loamy soils in Western Australia, as these soils have flown under the radar for potassium research in recent decades.

GroundCover: Potassium intrigue after sandy soils amelioration

Inversion tillage can improve soil potassium availability for plants – but testing is recommended after amelioration to check the levels of this nutrient.

GroundCover: Big three nutrients under rigorous study

Long-term changes to cropping systems – together with changing climate – are driving the need to update the knowledge base used to guide nitrogen, phosphorus and potassium fertiliser decisions for the western region.