To Till or Not to Till - In Conversation with Jonathan Storkey

In the last episode of the series, plant ecologist Jonathan Storkey treats us to fascinating insights on biodiversity in production systems and soil microbial communities, emphasising how context is crucial when choosing your tillage approach. He shares his journey from birdwatching ecologist to leading weed scientist at Rothamsted Reseach, where he has been studying tillage and biodiversity interactions for over two decades. He dives into the concept of "functional biodiversity"- pollinators, predators, and microbes that support food production, and how tillage impacts those delicate systems. We explore the Rothamsted long-term systems trials, where contrasting tillage approaches across different soil types are revealing nuanced shifts in yield, weed pressure, soil carbon, and microbial succession. Jonathan explains how early-stage bacteria-dominated soils differ from more stable fungal systems, and how physical disturbance resets succession. He also explores glyphosate reliance (including glyphosate-resistant weeds), weed control trade-offs, IPM potential, and the resilience of different systems to extreme weather events.

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