6.5 Soil Sample the Extremes

We dig into why skipping the lowest-yielding parts of a field can be the most expensive soil sampling decision you make. We lay out a simple “sample the extremes” plan that improves variable-rate fertilizer accuracy and helps put nutrients where they actually belong. In this episode we discuss... • reframing soil testing as nutrient placement, not just cost-cutting • why red zones like hilltops, saline spots, and drown-outs often need sampling most • how built-up phosphorus ...