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Western Minnesota | In my reading of this info is as follows
for significantly above trend yields 68% of the corn crop is planted by May 15th, Second half of May and all of June are above normal on temps ( 1-3 degrees ), and Rain fall is Norma to just slightly below normal ( enough to keep it alive but also send roots down, and keep NPK in the root zone). July then needs to bring on some above normal rains and cool down after tassel. Race it to tassel and slow it to fill.
Not every fast planting pace equals record yields but every significantly above trend yield has come with at least the 68% area done on May 15th. | |
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Planting progress vs final yield
