PUBLICATION W1318
Relationship Between Haney Soil Health Test’s (HSHT) H3A-4 and Mehlich-3 Extractable Nutrients in West TN Soils
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Summary
Some commercial soil testing laboratories offer Haney Soil Health Test and provide corresponding fertilizer recommendations. Some growers have asked how these relate to Mehlich-3 extraction. This publication provides finding on studies conducted to (i) investigate the relationship between HSHT’s H3A-4 and Mehlich-3 extractable nutrient elements and (ii) compare the P2O5 and K2O fertilizer recommendations by University of Tennessee and Haney Soil Health Test from a commercial laboratory.
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