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Cornell Nutrient Analysis Laboratorycnal.cals.cornell.edu · Low evidenceThe Cornell Nutrient Analysis Laboratory (CNAL) formerly provided nutrient analysis and related testing services but is now closed and not accepting samples. The Cornell Soil Health Lab remains open and is increasing its soil health testing offerings. Nearby Northeast land‑grant labs (e.g., Penn State Agricultural Analytical Services Laboratory and the University of Maine Analytical Lab) provide routine analyses for soil, plant tissue, compost, manure, irrigation water, biosolids, and related materials, with researchers able to request modified analyses by contacting the labs.
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