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Soil test interpretation, fertility, fertilizer recommendations, and economics
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Baby Robin
Posted 2/15/2024 09:38 (#10624313 - in reply to #10623955)
Subject: RE: Soil test interpretation, fertility, fertilizer recommendations, and economics


Fontanelle, IA
Pvafarm - 2/15/2024 04:29

Work with a local, independent, trusted source for fertility advice. Don't come here. Somebody in SD or NE is in a totally different environment than you. One poster likes K at 300 ppm. As an example - we have soils here that optimum is 80 ppm K (bray P1) since the soils literally can't hold a lot of K and anything over is a waste trying to build much higher with commercial fertilizer. That's one example here. So get local advice on your soils and fertility. Guys love saying their area is so unique and special but will try to advise somebody on fertility all the time. I don't get it. Good luck!


Curious here - but why are you using Bray P1 phosphorous test to correlate it to potash K @ 80 ppm. I genuinely have never heard of a correlation with these 2
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