Corn for Grain Objective Yield Data The National Agricultural Statistics Service conducted objective yield surveys in 10 corn producing States during 2021. Randomly selected plots in corn for grain fields were 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: 2017-2021 ------------------------------------------------------------------------------------------------------------------------------------- State : : : : : :: State : : : : : and month : 2017 : 2018 : 2019 : 2020 : 2021 :: and month : 2017 : 2018 : 2019 : 2020 : 2021 ------------------------------------------------------------------------------------------------------------------------------------- : number :: : number : :: : Illinois : :: Nebraska : September .....: 30,800 32,000 31,100 30,600 31,550 :: All corn : October .......: 30,900 32,000 30,950 30,400 31,550 :: September ....: 25,950 27,100 25,850 27,450 26,750 November ......: 30,950 32,000 30,900 30,400 31,500 :: October ......: 25,800 26,750 25,850 27,450 26,650 Final .........: 30,950 32,000 30,900 30,400 31,500 :: November .....: 25,700 26,750 25,700 27,400 26,650 : :: Final ........: 25,700 26,750 25,700 27,400 26,650 Indiana : :: : September .....: 29,550 30,450 29,300 29,850 29,700 :: Irrigated : October .......: 29,350 30,400 29,050 29,800 29,650 :: September ....: 29,050 30,300 28,300 29,950 29,350 November ......: 29,200 30,400 29,000 29,850 29,750 :: October ......: 29,000 29,900 28,350 30,100 29,300 Final .........: 29,200 30,400 28,950 29,850 29,750 :: November .....: 28,750 29,900 28,300 30,100 29,300 : :: Final ........: 28,750 29,900 28,300 30,100 29,300 Iowa : :: : September .....: 31,300 31,350 30,850 31,050 31,850 :: Non-irrigated : October .......: 31,150 31,150 30,800 31,000 31,850 :: September ....: 22,500 23,350 23,300 24,950 24,050 November ......: 31,150 31,100 30,750 31,050 31,800 :: October ......: 22,200 23,100 23,250 24,750 24,000 Final .........: 31,150 31,100 30,750 31,050 31,800 :: November .....: 22,250 23,150 23,000 24,700 23,950 : :: Final ........: 22,250 23,150 23,000 24,700 23,950 Kansas : :: : September .....: 22,050 22,600 21,350 21,700 22,050 :: Ohio : October .......: 22,100 22,450 21,200 21,650 21,550 :: September .....: 29,250 30,550 30,050 29,800 30,400 November ......: 22,300 22,450 21,200 21,650 21,800 :: October .......: 29,150 30,400 30,100 29,900 30,050 Final .........: 22,300 22,450 21,200 21,650 21,800 :: November ......: 29,100 30,400 30,000 29,900 30,050 : :: Final .........: 29,100 30,400 30,000 29,850 30,050 Minnesota : :: : September .....: 30,750 30,950 30,700 31,750 30,750 :: South Dakota : October .......: 30,550 30,900 30,650 31,800 30,700 :: September .....: 26,250 27,000 26,400 25,450 26,150 November ......: 30,600 30,900 30,550 31,800 30,700 :: October .......: 26,200 26,750 26,100 25,400 26,100 Final .........: 30,600 30,900 30,650 31,800 30,700 :: November ......: 26,200 27,000 26,000 25,550 25,750 : :: Final .........: 26,200 27,000 25,900 25,550 25,750 Missouri : :: : September .....: 27,850 28,500 28,200 28,200 27,250 :: Wisconsin : October .......: 27,850 28,400 27,500 28,150 27,400 :: September .....: 29,450 31,000 30,250 30,300 29,900 November ......: 27,950 28,400 27,600 28,200 27,350 :: October .......: 29,100 30,600 30,150 30,400 29,550 Final .........: 27,950 28,400 27,600 28,200 27,350 :: November ......: 29,150 30,650 29,750 30,300 29,400 : :: Final .........: 29,100 30,650 29,850 30,300 29,400 : :: : : :: 10 State : : :: September .....: 28,800 29,500 28,650 29,000 29,100 : :: October .......: 28,700 29,350 28,500 28,950 29,000 : :: November ......: 28,700 29,400 28,450 28,950 29,000 : :: Final .........: 28,700 29,350 28,450 28,950 29,000 ------------------------------------------------------------------------------------------------------------------------------------- Corn for Grain Number of Ears per Acre - Selected States: 2017-2021 ------------------------------------------------------------------------------------------------------------------------------------- State : : : : : :: State : : : : : and month : 2017 : 2018 : 2019 : 2020 : 2021 :: and month : 2017 : 2018 : 2019 : 2020 : 2021 ------------------------------------------------------------------------------------------------------------------------------------- : number :: : number : :: : Illinois : :: Nebraska : September .....: 30,200 31,550 30,300 29,900 31,100 :: All corn : October .......: 30,300 31,500 30,300 29,800 31,050 :: September ....: 25,800 27,100 25,850 26,800 26,650 November ......: 30,250 31,500 30,150 29,800 31,050 :: October ......: 26,050 26,750 25,950 26,850 26,950 Final .........: 30,250 31,500 30,150 29,800 31,050 :: November .....: 25,950 26,800 25,700 26,750 26,800 : :: Final ........: 25,950 26,800 25,700 26,750 26,800 Indiana : :: : September .....: 28,900 30,000 28,900 29,600 29,700 :: Irrigated : October .......: 29,100 29,800 28,700 29,600 29,750 :: September ....: 28,650 29,950 28,200 28,900 29,000 November ......: 28,850 29,750 28,650 29,600 29,900 :: October ......: 28,950 29,350 28,150 28,850 29,600 Final .........: 28,850 29,750 28,600 29,600 29,900 :: November .....: 28,750 29,300 28,000 28,800 29,500 : :: Final ........: 28,750 29,300 28,000 28,800 29,500 Iowa : :: : September .....: 30,600 31,150 30,250 30,600 31,750 :: Non-irrigated : October .......: 30,600 30,900 30,200 30,450 31,800 :: September ....: 22,600 23,850 23,500 24,650 24,250 November ......: 30,600 30,800 30,100 30,550 31,800 :: October ......: 22,800 23,650 23,700 24,800 24,200 Final .........: 30,600 30,800 30,100 30,550 31,800 :: November .....: 22,900 23,850 23,400 24,700 24,050 : :: Final ........: 22,900 23,850 23,400 24,700 24,050 Kansas : :: : September .....: 22,800 22,350 21,550 22,050 22,250 :: Ohio : October .......: 22,600 21,650 22,250 21,250 21,450 :: September .....: 29,500 30,750 29,850 29,350 30,650 November ......: 22,650 21,700 22,200 21,250 21,700 :: October .......: 29,250 30,300 29,750 29,700 30,350 Final .........: 22,650 21,700 22,200 21,250 21,700 :: November ......: 29,150 30,300 29,550 29,700 30,350 : :: Final .........: 29,150 30,300 29,550 29,650 30,350 Minnesota : :: : September .....: 30,750 30,850 30,050 31,750 30,800 :: South Dakota : October .......: 30,850 30,850 29,800 31,850 30,650 :: September .....: 26,250 28,100 26,450 25,550 26,250 November ......: 30,850 30,800 29,650 31,850 30,600 :: October .......: 26,150 27,750 25,300 25,550 26,150 Final .........: 30,600 30,800 29,700 31,850 30,600 :: November ......: 26,200 27,950 25,000 25,700 25,400 : :: Final .........: 25,850 28,050 24,900 25,700 25,400 Missouri : :: : September .....: 27,750 27,400 26,950 27,650 26,900 :: Wisconsin : October .......: 27,800 27,300 26,950 27,600 26,950 :: September .....: 28,950 30,700 29,850 30,050 30,100 November ......: 27,850 27,300 27,100 27,650 26,950 :: October .......: 28,800 30,450 30,250 30,400 29,500 Final .........: 27,850 27,300 27,100 27,650 26,950 :: November ......: 28,600 30,450 29,850 30,350 29,400 : :: Final .........: 28,550 30,450 29,950 30,350 29,400 : :: : : :: 10-State : : :: September .....: 28,550 29,350 28,200 28,650 29,050 : :: October .......: 28,550 29,100 28,200 28,600 28,950 : :: November ......: 28,500 29,100 28,050 28,600 28,850 : :: Final .........: 28,450 29,100 28,050 28,600 28,850 ------------------------------------------------------------------------------------------------------------------------------------- Corn for Grain Percentage Distribution by Plant Population per Acre - Selected States: 2017-2021 ---------------------------------------------------------------------------------------- : Plant populations State and year :----------------------------------------------------------- :Less than: 20,000- : 22,501- : 25,001- : 27,501- :More than : 20,000 : 22,500 : 25,000 : 27,500 : 30,000 : 30,000 ---------------------------------------------------------------------------------------- : Percent : Illinois ...............2017: 0.5 1.4 3.8 11.5 20.6 62.2 2018: - 0.9 1.4 6.6 15.6 75.5 2019: 0.9 2.8 3.7 9.3 18.7 64.6 2020: 0.6 1.9 5.8 13.5 16.0 62.2 2021: 1.6 0.8 1.6 7.1 19.0 69.9 : Indiana ................2017: 5.7 4.9 6.5 13.0 21.1 48.8 2018: 1.5 0.8 2.3 10.7 27.5 57.2 2019: 5.6 5.6 5.6 11.1 24.1 48.0 2020: 1.3 3.8 5.1 12.8 19.2 57.8 2021: 1.6 1.6 6.3 14.3 25.4 50.8 : Iowa ...................2017: 1.3 3.4 2.1 5.9 13.5 73.8 2018: 0.4 1.7 3.3 6.3 19.2 69.1 2019: 0.8 0.8 3.8 9.0 21.1 64.5 2020: - - 4.3 9.4 21.7 64.6 2021: - 1.6 2.4 5.5 12.6 77.9 : Kansas .................2017: 24.3 21.2 17.2 21.2 12.1 4.0 2018: 33.0 12.4 12.4 14.4 7.2 20.6 2019: 39.9 8.0 12.0 14.7 14.7 10.7 2020: 30.1 14.5 12.7 13.6 16.4 12.7 2021: 26.3 13.1 24.2 15.2 9.1 12.1 : Minnesota ..............2017: 2.8 4.7 5.6 7.5 12.1 67.3 2018: - 1.7 8.7 6.1 13.9 69.6 2019: 1.4 4.2 8.3 2.8 25.0 58.3 2020: - 0.8 2.3 3.8 19.5 73.6 2021: 1.1 4.3 2.2 4.3 28.3 59.8 : Missouri ...............2017: 1.9 1.0 15.5 26.2 26.2 29.2 2018: 2.2 6.5 8.6 20.4 28.0 34.3 2019: 2.8 8.3 16.7 22.2 16.7 33.3 2020: 2.7 0.9 10.9 22.7 32.8 30.0 2021: 2.6 5.3 14.5 18.4 44.7 14.5 : Nebraska ...............2017: 16.8 6.3 12.6 19.4 17.8 27.1 2018: 12.0 4.9 7.1 16.4 25.1 34.5 2019: 15.1 12.3 12.3 17.9 19.8 22.6 2020: 10.8 8.8 8.8 8.8 23.0 39.8 2021: 15.8 2.5 14.2 14.2 20.0 33.3 : Ohio ...................2017: 2.7 4.4 7.1 15.0 25.7 45.1 2018: 1.0 3.9 3.9 7.8 23.5 59.9 2019: - 4.3 4.3 12.8 19.1 59.5 2020: - - 14.4 13.6 26.3 45.7 2021: 2.3 1.1 4.6 9.2 32.2 50.6 : South Dakota ...........2017: 8.1 13.5 16.2 16.2 25.7 20.3 2018: 7.4 12.6 11.6 18.9 21.1 28.4 2019: 9.3 7.0 23.3 23.3 30.1 7.0 2020: 13.7 9.6 21.9 21.9 13.7 19.2 2021: 14.5 1.8 21.8 25.5 20.0 16.4 : Wisconsin ..............2017: 4.0 2.7 6.7 20.0 21.3 45.3 2018: 2.0 2.0 - 7.9 19.8 68.3 2019: - - 9.4 15.6 25.0 50.0 2020: 1.4 1.4 8.1 6.8 23.0 59.3 2021: 1.5 4.5 4.5 10.6 28.8 50.1 ---------------------------------------------------------------------------------------- - Represents zero. Corn for Grain Frequency of Farmer Reported Row Widths - Selected States: 2017-2021 -------------------------------------------------------------------------------------------- : Row width (inches) State and year :--------------------------------------------------------------- : Less than : : : : More than : 30 : 30 : 36 : 38 : 38 -------------------------------------------------------------------------------------------- : number : Illinois ...............2017: 6 210 4 1 - 2018: 9 211 - - - 2019: 2 110 1 - - 2020: 8 148 2 - - 2021: 3 127 - - - : Indiana ................2017: 7 117 - - - 2018: 9 126 1 1 - 2019: 4 53 1 - - 2020: 2 79 1 - - 2021: 1 63 - - - : Iowa ...................2017: 2 236 3 3 - 2018: 12 234 2 1 - 2019: 3 136 - 1 - 2020: 9 140 5 3 - 2021: 4 126 2 - - : Kansas .................2017: 2 106 2 - - 2018: 10 91 - - - 2019: 9 70 - - - 2020: 2 110 - - - 2021: 14 91 - - - : Minnesota ..............2017: 27 89 2 - - 2018: 21 97 3 2 - 2019: 15 63 3 1 - 2020: 25 109 - 1 - 2021: 22 73 - 1 - : Missouri ...............2017: 3 101 5 2 - 2018: 5 90 1 2 1 2019: 5 30 1 2 - 2020: 7 99 - 5 - 2021: 2 72 1 5 - : Nebraska ...............2017: 2 169 23 2 - 2018: 6 160 25 - - 2019: 3 98 15 - - 2020: 2 138 15 - - 2021: - 108 20 - - : Ohio ...................2017: 2 109 1 1 - 2018: 3 100 - - - 2019: 2 45 1 - - 2020: 5 113 - - - 2021: 3 83 1 - - : South Dakota ...........2017: 6 75 1 1 - 2018: 8 92 2 2 - 2019: 5 45 - 1 - 2020: 11 62 2 2 - 2021: 3 55 2 - - : Wisconsin ..............2017: 4 83 5 1 - 2018: 4 108 4 2 - 2019: 1 39 - - - 2020: 3 78 1 2 - 2021: 2 71 2 2 - -------------------------------------------------------------------------------------------- - Represents zero. Corn for Grain Percentage Distribution by Measured Row Width and Average Row Width - Selected States: 2017-2021 ---------------------------------------------------------------------------------------------- : : Row width (inches) : State and year :Samples :-----------------------------------------------:Average : : 20.5 : 20.6- :30.6- :34.6- : 36.6- :38.6 or : row : :or less : 30.5 : 34.5 : 36.5 : 38.5 :greater : width ---------------------------------------------------------------------------------------------- : number ----------------- percent ---------------- inches : Illinois ...............2017: 209 1.4 85.1 12.0 0.5 0.5 0.5 30.1 2018: 212 1.9 87.7 10.4 - - - 29.9 2019: 107 - 83.2 15.9 0.9 - - 30.2 2020: 156 2.6 85.2 10.9 - 1.3 - 29.8 2021: 126 1.6 80.1 18.3 - - - 30.0 : Indiana ................2017: 123 2.4 78.9 17.9 0.8 - - 29.8 2018: 131 6.1 71.7 19.8 0.8 0.8 0.8 29.8 2019: 54 1.9 77.7 18.5 - 1.9 - 30.2 2020: 78 1.3 80.7 16.7 - 1.3 - 30.2 2021: 63 1.6 79.4 19.0 - - - 30.1 : Iowa ...................2017: 237 0.8 76.4 19.0 0.4 3.0 0.4 30.4 2018: 239 3.8 77.4 17.2 0.8 0.8 - 29.9 2019: 133 1.5 78.1 18.8 0.8 0.8 - 30.0 2020: 138 2.9 79.7 11.6 2.9 2.9 - 30.1 2021: 127 3.9 82.7 12.6 0.8 - - 29.7 : Kansas .................2017: 99 2.0 75.8 21.2 - - 1.0 30.1 2018: 97 3.1 76.3 20.6 - - - 29.7 2019: 75 4.0 81.3 14.7 - - - 29.9 2020: 110 1.8 78.2 20.0 - - - 29.7 2021: 99 3.0 83.9 13.1 - - - 29.9 : Minnesota ..............2017: 107 4.7 81.4 8.4 0.9 3.7 0.9 28.9 2018: 115 1.7 82.6 11.3 2.6 0.9 0.9 29.3 2019: 72 5.6 72.1 18.1 4.2 - - 29.0 2020: 133 - 84.9 14.3 - - 0.8 28.9 2021: 92 3.3 88.0 7.6 - 1.1 - 28.5 : Missouri ...............2017: 103 1.9 66.1 25.2 3.9 1.0 1.9 30.4 2018: 93 1.1 76.2 18.3 2.2 1.1 1.1 30.1 2019: 36 2.8 74.9 13.9 2.8 5.6 - 30.2 2020: 110 5.5 80.9 10.9 - 2.7 - 29.6 2021: 76 2.6 76.3 13.2 1.3 6.6 - 30.5 : Nebraska ...............2017: 191 - 70.7 15.7 9.4 4.2 - 31.0 2018: 183 1.6 65.6 15.3 12.6 4.9 - 31.2 2019: 106 1.9 71.7 14.2 11.3 0.9 - 30.8 2020: 148 - 67.6 23.0 7.4 2.0 - 30.8 2021: 120 - 69.2 15.8 14.2 0.8 - 30.9 : Ohio ...................2017: 113 0.9 83.2 15.0 0.9 - - 30.0 2018: 102 2.9 79.5 17.6 - - - 29.9 2019: 47 4.3 87.2 6.4 2.1 - - 29.8 2020: 118 1.7 88.1 10.2 - - - 29.9 2021: 87 3.4 82.9 12.6 1.1 - - 29.9 : South Dakota ...........2017: 74 8.1 62.1 28.4 - 1.4 - 29.6 2018: 95 5.3 69.4 20.0 2.1 2.1 1.1 30.0 2019: 43 4.7 67.4 25.6 - 2.3 - 30.0 2020: 73 5.5 72.6 15.1 2.7 1.4 2.7 29.8 2021: 55 1.8 76.4 14.5 1.8 5.5 - 30.2 : Wisconsin ..............2017: 75 1.3 61.5 29.3 5.3 1.3 1.3 30.6 2018: 101 - 75.2 21.8 - 3.0 - 30.2 2019: 32 3.1 84.4 12.5 - - - 29.6 2020: 74 - 75.6 18.9 2.7 1.4 1.4 30.4 2021: 66 - 71.3 22.7 1.5 4.5 - 30.5 ---------------------------------------------------------------------------------------------- - Represents zero.Only active subscribers can read all of this article.
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