News Feed › Forums › Soil Health › Experiment to increase soil Selenium levels. › Reply To: Experiment to increase soil Selenium levels.
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If you decide to look for further selenium products look for feed grade selenium. We feed extra selenium to our cows because we are in a region with significantly low selenium levels so the cows don’t always get enough through the feed. You could likely find some at your local feed mill. Ours comes in 50lb bags.
No idea how plant available it would be, but it might be another place to look.