Corn response to population is continuously changing with seeding rates increasing about 280 plants/acre/year according to the National Agricultural Statistics Service (2010). Plant populations in Ohio have increased 16% in the past 10 yrs (56% since the early 1970s). According to NASS, plant population for corn in Ohio averaged 28,200 plants/acre in 2010, which is lower than most Corn Belt states (e.g., Minnesota, 29,900; Iowa, 29,950; Illinois, 29,650; Indiana, 28,350 plants/acre)....
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