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S Illinois | And during your frozen time you average little precipitation. I am willing to bet your May 1-Sept 1 average precip isn’t that far off of his. We get 15-18” more than you in Oct 1-April 1 and I bet your APH’s are similar or better than ours. The uselessness of annual precipitation as a metric becomes even more pronounced in the Delta where they get twice as much as you but still need irrigation to get 200bu corn.
Since no one can really hold much more than 12” in the top 5’ of soil and it take a lot of dry weather to completely dry soil out that deep, you like SD aren’t nearly as far behind as you think. | |
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