GRDC Podcast: Potassium response on loamy soil in Western Australia

GRDC caught up with Murdoch University Professor Richard Bell who’s been investigating K deficiency and K response in long term field trials.
After record harvests, how much nitrogen will be tied-up in high wheat stubble loads?

Big crops in recent years and resulting high stubble loads can lead to soil nitrogen being tied-up by microorganisms.
GRDC Podcast: Yield response to P fertiliser

GRDC caught up with Senior Research Scientist Craig Scanlan about what’s driving and influencing yield response to P fertiliser.