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| I've wondered the same thing before. It would be nice to have corn finish before it gets so hot and dry.
My theory for why the 115 day will 9 times of 10 yield better than 90 is that early maturity gets much less sunlight for making grain. If you planted 90 day on March 1 ??? it would prolly pollinate mid May and be almost finished by June 21 the longest day. Yes it may beat the 95-100 degree days but miss out on a lot of sunshine. The 115 day planted March 1 pollinates end of May first of June and is able to use sunshine from the long days on both sides of the solstice to fill grain.
Up north the days are longer anyway during the summer than they are in the south. They can plant 90 day end of May and get all the sunshine from the longest days before and AFTER the solstice, plus the days are longer, til Sept. 21 anyway. Just my theory. | |
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90-100 day corn in the south question
