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Southern MN | I use a product called clear Eco one from Nolts Midwest produce supplies. I plant it and then cover in a separate pass. It can get sweet corn ready anywhere from 4-10 days earlier. If you have a spring that has a lot of cooler days but sunny, that’s when you gain the most. I’m in southern Minnesota and can usually have corn ready the first week of July. | |
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Bio degradable film over crops