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Soil Health Lab presentation: frequent testing, cover crops and regenerative practices can cut fertilizer use

State Water Resources Control Board expert panel (Agricultural Expert Panel) · October 27, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Eric Morgan of the Soil Health Lab told the panel that standardized soil nitrate testing and regenerative practices (cover crops, soil health focus) have allowed some growers to reduce applied nitrogen substantially; he described sampling protocols (12 cores, two‑foot depth, 20 ppm thresholds) and economic examples.

Eric Morgan, representing the Soil Health Lab, told the panel that detailed soil nitrate testing and a regenerative approach to fertility can materially reduce the amount of nitrogen growers need to apply. "We cut the fertility budget in half," he said of a commercial example, adding that one citrus grower was producing with about 30 pounds of applied N per year because the soil was supplying much of the crop's needs.

Morgan outlined the laboratory…

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