EPISODE · Oct 27, 2025 · 43 MIN
6. ACID SOIL IS KILLING YOUR CROPS: The Science Behind WA's Biggest Farming Challenge
from The 4Farmers Podcast · host Bill Crabtree
Dr. Steve Carr joins Bill "No-Till Bill" Crabtree for a deep dive into soil acidity, the silent crop killer affecting thousands of Western Australian farms. With decades of research experience from UWA and hands-on fieldwork in the Eastern Wheatbelt, Dr. Carr breaks down the complex science behind why WA's ancient soils are naturally acidic and how modern agriculture accelerates the problem. Dr. Carr's expertise transforms complex soil chemistry into actionable knowledge that can save your crops and boost profitability. Whether you're battling stubborn acid patches or planning long-term soil health strategies, this episode delivers the scientific insights you need.
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What this episode covers
Dr. Steve Carr, soil scientist and agricultural researcher, reveals the hidden science behind Western Australia’s most devastating crop challenge. In this expert interview with Bill ”No-Till Bill” Crabtree, discover why WA’s ancient soils are naturally acidic, how aluminium toxicity destroys root systems, and the practical lime strategies that can save your farm’s profitability. From pH chemistry to particle size selection, Dr. Carr breaks down decades of research into actionable insights for grain growers facing soil acidity problems. Learn why some crops fail while others survive, the real economics of lime application, and how to protect your soil investment for the long term. Essential listening for farmers, agronomists, and agricultural professionals dealing with acid soil challenges across Australia.
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6. ACID SOIL IS KILLING YOUR CROPS: The Science Behind WA's Biggest Farming Challenge
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