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W229-Interpreting Mehlich 1 And 3 Soil Test Extractant Results For P And K In Tennessee, The University Of Tennessee Agricultural Extension Service
W229-Interpreting Mehlich 1 And 3 Soil Test Extractant Results For P And K In Tennessee, The University Of Tennessee Agricultural Extension Service
Field & Commercial Crops
The Mehlich 1 and 3 soil test extractants are the most widely used in laboratories of the southern United States today. Tennessee began using the Mehlich 1 extractant in December, 1981. Existing soil test calibration data in Tennessee are based on the Mehlich 1 soil test extractant,1,2 which became available in 1953.