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Participants will use the methodologies indicated by their instrument manufacturer and report on any or all of the following properties: moisture content, dry matter content, total carbon, organic carbon, inorganic carbon, total nitrogen, and pH.

Sample Description: Two sample sets, each containing 75 g of two soils ground with a 0.18 mm sieve. One set represents a high carbon pairing, and the other set represents a low carbon pairing.

Samples ship in March, June, and September for a total of three shipments, with shipments beginning with the earliest available cycle of testing.

Additional Information: Please contact CTS for pricing if your country or zone is not included in the shipment dropdown.