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Use growing degree days, not calendar days, when planting corn

2014-05-02 18:02:00| Corn & Soybean Digest

Think of corn in thermal time (growing degree days) instead of calendar time, advises Emerson Nafziger, University of Illinois agronomist. If the whole (corn) crop got planted May 10 instead of May 1, we would not see a big drop in yield. We wont lose a huge amount of yield until mid-May. We may have forgotten theres a real advantage for the corn plant to be in a fairly warm soil, ready to germinate and emerge in five to six days." read more

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