Proceedings
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1. Comparison of Mehlich-3 and Haney H3A-4 Soil Tests in Kansas SoilsRecommended application rates of soil fertility amendments are often based on a soil test in agricultural production systems. Interpretation of these soil tests requires correlation and calibration to crop yield response, nutrient uptake, or existing soil tests. The Mehlich-3 soil test procedure is currently used to evaluate the plant availability of phosphorus (P) and potassium (K) in Kansas soils. However, the Haney soil test has gained attention in recentyear and has been used to adjust so... B. Rutter, D. Ruiz diaz |