In Episode 30 of the Root Cause Podcast, Kaleb and Taylor sit down with soil scientist Al Toops of Solvix to challenge some of agriculture’s oldest assumptions about soil testing and fertility. Drawing on decades of experience, Al explains why traditional soil tests only tell part of the story and how biological function, nutrient pathways, carbon cycling, fungal communities, and soil respiration may be the real drivers of crop performance and profitability. The discussion explores the difference between nutrient availability and nutrient accessibility, how biological pathways influence disease pressure and stress tolerance, and why understanding soil function can help growers make better management decisions while reducing unnecessary input costs.

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