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Martinsville, Ohio | I have been looking at that subject amongst others.
This was brought here a few weeks ago. Someone from Europe chimed in and I concluded they see it as a real problem. Local farmers address it here but have no evidence added Mn works or not. It seems the plant takes a big Mn uptake dip 7-10 days after application of glyphosate. Different forms of Mn react differently in the plant at different times of application.
http://72.14.207.104/search?q=cache:jFacpOSTsiIJ:www.soybeans.umn.e... | |
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Glyphosate induced manganese deficiency in soybeans
