Latimer, Iowa (north central) | Going to put out a hypothesis here just from guys I have talked to this year on oats. And will say these results have been from my farm in Latimer Iowa with about 600 acres of oats this year, a Organic producer group with multiple 1000 acres of oats in north Iowa, and a grower by Owatonna MN. Not saying this is a study or a trial or anything beyond what it is and my experience in this year.
The common factor for all of us was our fertility came from animal manure and the oats were fertilized at about 1 unit of N per bushel of expected yield with manure. My farm had 100-150 units of N put on with manure on soybean stubble. None of us used any fungicide and have not on any of our crops for at least 5 years. Each of us also plants cover crops or companion crops. None of us had any issue with fusarium.
Other growers (30+) I have talked to that used fungicide and do regularly, some had 2 passes, have had issues with fusarium this year. Most also did not have as strong of a manure history as the organic grower group, the MN producer, or ourselves
My hypothesis is that good natural fertility, healthy plants, natural microbes, natural balance/beneficials, and soil biology are the best ways to control fusarium.
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How are you controlling fusarium?
