MLSN for micronutrients

This question about MLSN for micronutrients comes up every now and then, and we received an inquiry about it this week. I bring up this post from the archives for reference, and as a public reminder to myself to update this calculation, and elaborate on it, and explain why I generally use median values for micronutrients rather than MLSN values.

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MLSN (Minimum Levels for Sustainable Nutrition) methods provide a revolutionary way to interpret soil test data and to develop…