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More Kinsey/Albrecht discussion optimum P levels
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tumbleweed
Posted 3/9/2019 19:12 (#7370088 - in reply to #7369687)
Subject: RE: ok, i FIGURED IT OUT



Princeton, Indiana
Mehlich 3 does not "use" P1 and P2. The statement is confusing.

Bray and Kurtz Phosphorus (P1)
Bray and Kurtz Phosphorus (P2)
Mehlich-3

These are 3 very different and distinctive soil nutrient extraction processes using different blends of chemicals that will give very different results. They must each be calibrated to their own unique sets of fertilizer recommendations.
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