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Phosphorus in High PH soils
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NE Ridger
Posted 1/6/2014 18:39 (#3580636 - in reply to #3580022)
Subject: RE: Phosphorus in High PH soils


EC Nebraska

Yeah, your phos is getting tied up almost as fast as it hits the ground. You've got the kind of ground that Avail and Jumpstart are made for. If those products work anywhere, it would seem like they should help you.

It looks like broadcasting phos is pretty much a waste of money for you. Do you have any capacity to band dry? that would help.

As Roger's links above point out, you can't economically change your soil's pH. You just have to try to manage it the best you can. Banding and sulfur are the best ways I know to do it.
We covered a lot of it this morning, if you missed that thread: http://talk.newagtalk.com/forums/thread-view.asp?tid=443194&mid=3576579#M3576579 Big difference to note is that he had low magnesium, you have high. I'm not recommending KMag for your soil.

Your lab's numbers must be a little different than mine, I'd never call 151 ppm K "high", but that might just a difference between our labs. Looking at your numbers I'd be worried about K as much as P. 

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