Posted 1/7/2017 18:47 (#5751895 - in reply to #5751301) Subject: RE: Bray P1 vs. P2 test
As was said your problem is too much calcium, calcium is tying your P, you need to leach it using sulfate to solve this problem, AMS is a good source, but you also need to keep an eye over K and Mg evolution.
Use sulfate forms for Zn and Mn, this will also help to P issue.
Bray P1 vs. P2 test
