Corn for Grain Objective Yield Data The National Agricultural Statistics Service is conducting objective yield surveys in 10 corn-producing States during 2020. Randomly selected plots in corn for grain fields are visited monthly from September through harvest to obtain specific counts and measurements. Data in these tables are rounded actual field counts from this survey. Corn for Grain Plant Population per Acre - Selected States: 2016-2020 [Blank data cells indicate estimation period has not yet begun] ------------------------------------------------------------------------------------------------------------------------------------- State : : : : : :: State : : : : : and month : 2016 : 2017 : 2018 : 2019 : 2020 :: and month : 2016 : 2017 : 2018 : 2019 : 2020 ------------------------------------------------------------------------------------------------------------------------------------- : number :: : number : :: : Illinois : :: Nebraska : September .....: 31,100 30,800 32,000 31,100 30,600 :: All corn : October .......: 31,100 30,900 32,000 30,950 30,400 :: September ....: 25,900 25,950 27,100 25,850 27,450 November ......: 31,100 30,950 32,000 30,900 :: October ......: 25,950 25,800 26,750 25,850 27,450 Final .........: 31,100 30,950 32,000 30,900 :: November .....: 26,000 25,700 26,750 25,700 : :: Final ........: 26,000 25,700 26,750 25,700 Indiana : :: : September .....: 30,200 29,550 30,450 29,300 29,850 :: Irrigated : October .......: 29,950 29,350 30,400 29,050 29,800 :: September ....: 28,200 29,050 30,300 28,300 29,950 November ......: 29,800 29,200 30,400 29,000 :: October ......: 28,200 29,000 29,900 28,350 30,100 Final .........: 29,800 29,200 30,400 28,950 :: November .....: 28,300 28,750 29,900 28,300 : :: Final ........: 28,300 28,750 29,900 28,300 Iowa : :: : September .....: 31,250 31,300 31,350 30,850 31,050 :: Non-irrigated : October .......: 31,050 31,150 31,150 30,800 31,000 :: September ....: 22,900 22,500 23,350 23,300 24,950 November ......: 31,050 31,150 31,100 30,750 :: October ......: 23,000 22,200 23,100 23,250 24,750 Final .........: 31,050 31,150 31,100 30,750 :: November .....: 23,000 22,250 23,150 23,000 : :: Final ........: 23,000 22,250 23,150 23,000 Kansas : :: : September .....: 22,550 22,050 22,600 21,350 21,700 :: Ohio : October .......: 22,550 22,100 22,450 21,200 21,650 :: September .....: 30,250 29,250 30,550 30,050 29,800 November ......: 22,550 22,300 22,450 21,200 :: October .......: 30,100 29,150 30,400 30,100 29,900 Final .........: 22,550 22,300 22,450 21,200 :: November ......: 30,250 29,100 30,400 30,000 : :: Final .........: 30,250 29,100 30,400 30,000 Minnesota : :: : September .....: 30,800 30,750 30,950 30,700 31,750 :: South Dakota : October .......: 30,700 30,550 30,900 30,650 31,800 :: September .....: 26,200 26,250 27,000 26,400 25,450 November ......: 30,550 30,600 30,900 30,550 :: October .......: 26,100 26,200 26,750 26,100 25,400 Final .........: 30,550 30,600 30,900 30,650 :: November ......: 26,000 26,200 27,000 26,000 : :: Final .........: 26,000 26,200 27,000 25,900 Missouri : :: : September .....: 27,300 27,850 28,500 28,200 28,200 :: Wisconsin : October .......: 27,750 27,850 28,400 27,500 28,150 :: September .....: 30,100 29,450 31,000 30,250 30,300 November ......: 27,800 27,950 28,400 27,600 :: October .......: 29,900 29,100 30,600 30,150 30,400 Final .........: 27,800 27,950 28,400 27,600 :: November ......: 29,800 29,150 30,650 29,750 : :: Final .........: 29,800 29,100 30,650 29,850 : :: : : :: 10 State : : :: September .....: 29,050 28,800 29,500 28,650 29,000 : :: October .......: 28,950 28,700 29,350 28,500 28,950 : :: November ......: 28,950 28,700 29,400 28,450 : :: Final .........: 28,950 28,700 29,350 28,450 ------------------------------------------------------------------------------------------------------------------------------------- Corn for Grain Number of Ears per Acre - Selected States: 2020 [Blank data cells indicate estimation period has not yet begun] ------------------------------------------------------------------------------------------------------------------------------------- State : : : : : :: State : : : : : and month : 2016 : 2017 : 2018 : 2019 : 2020 :: and month : 2016 : 2017 : 2018 : 2019 : 2020 ------------------------------------------------------------------------------------------------------------------------------------- : number :: : number : :: : Illinois : :: Nebraska : September .....: 30,350 30,200 31,550 30,300 29,900 :: All corn : October .......: 30,450 30,300 31,500 30,300 29,800 :: September ....: 25,700 25,800 27,100 25,850 26,800 November ......: 30,450 30,250 31,500 30,150 :: October ......: 25,350 26,050 26,750 25,950 26,850 Final .........: 30,450 30,250 31,500 30,150 :: November .....: 25,400 25,950 26,800 25,700 : :: Final ........: 25,400 25,950 26,800 25,700 Indiana : :: : September .....: 29,600 28,900 30,000 28,900 29,600 :: Irrigated : October .......: 29,400 29,100 29,800 28,700 29,600 :: September ....: 27,850 28,650 29,950 28,200 28,900 November ......: 29,250 28,850 29,750 28,650 :: October ......: 27,500 28,950 29,350 28,150 28,850 Final .........: 29,250 28,850 29,750 28,600 :: November .....: 27,550 28,750 29,300 28,000 : :: Final ........: 27,550 28,750 29,300 28,000 Iowa : :: : September .....: 30,550 30,600 31,150 30,250 30,600 :: Non-irrigated : October .......: 30,400 30,600 30,900 30,200 30,450 :: September ....: 22,850 22,600 23,850 23,500 24,650 November ......: 30,500 30,600 30,800 30,100 :: October ......: 22,550 22,800 23,650 23,700 24,800 Final .........: 30,500 30,600 30,800 30,100 :: November .....: 22,550 22,900 23,850 23,400 : :: Final ........: 22,550 22,900 23,850 23,400 Kansas : :: : September .....: 22,650 22,800 22,350 21,550 22,050 :: Ohio : October .......: 22,450 22,600 21,650 22,250 21,250 :: September .....: 29,750 29,500 30,750 29,850 29,350 November ......: 22,450 22,650 21,700 22,200 :: October .......: 29,200 29,250 30,300 29,750 29,700 Final .........: 22,450 22,650 21,700 22,200 :: November ......: 29,600 29,150 30,300 29,550 : :: Final .........: 29,600 29,150 30,300 29,550 Minnesota : :: : September .....: 30,550 30,750 30,850 30,050 31,750 :: South Dakota : October .......: 30,350 30,850 30,850 29,800 31,850 :: September .....: 25,650 26,250 28,100 26,450 25,550 November ......: 30,250 30,850 30,800 29,650 :: October .......: 25,350 26,150 27,750 25,300 25,550 Final .........: 30,250 30,600 30,800 29,700 :: November ......: 25,450 26,200 27,950 25,000 : :: Final .........: 25,450 25,850 28,050 24,900 Missouri : :: : September .....: 26,900 27,750 27,400 26,950 27,650 :: Wisconsin : October .......: 27,150 27,800 27,300 26,950 27,600 :: September .....: 29,300 28,950 30,700 29,850 30,050 November ......: 27,150 27,850 27,300 27,100 :: October .......: 28,900 28,800 30,450 30,250 30,400 Final .........: 27,150 27,850 27,300 27,100 :: November ......: 28,750 28,600 30,450 29,850 : :: Final .........: 28,750 28,550 30,450 29,950 : :: : : :: 10-State : : :: September .....: 28,550 28,550 29,350 28,200 28,650 : :: October .......: 28,350 28,550 29,100 28,200 28,600 : :: November ......: 28,400 28,500 29,100 28,050 : :: Final .........: 28,400 28,450 29,100 28,050 ------------------------------------------------------------------------------------------------------------------------------------- Corn Objective Yield Percent of Samples Processed in the Lab - United States: 2016-2020 --------------------------------------------------------------------------- : October : November Year :----------------------------------------------------------- :Dent stage 1/ : Mature 2/ :Dent stage 1/ : Mature 2/ --------------------------------------------------------------------------- : percent : 2016 ..........: 17 73 (Z) 96 2017 ..........: 41 51 (Z) 96 2018 ..........: 13 80 (Z) 96 2019 ..........: 49 29 1 94 2020 ..........: 25 68 --------------------------------------------------------------------------- (NA) Not available. (X) Not applicable. (Z) Less than half of the unit shown. 1/ Includes corn in the dent stage of development. Ears are firm and solid. Kernels fully dented with no milk present in most kernels. 2/ Includes that portion of the crop that is mature and ready for harvest. No green foliage is present.Only active subscribers can read all of this article.
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