Corn and Soybean Nutrient Removal Guide  02/08/17 3:46:32 PM

There are many versions of the following tables.  We have modified these a bit over the years as genetic efficieny to nutrient utility is always changing.
 Soybean Grain/Stover Nutrient Removal Charts
                         
                         
                         
 
Bushels/Acre   90 85 80 75 70 65 60 55 50 45 40
  Used for                      
Nitrogen (N) Grain 342 323 304 285 266 247 228 209 190 171 152
  Stover 99 93.5 88 82.5 77 71.5 66 60.5 55 49.5 44
  Total Use 441 416.5 392 367.5 343 318.5 294 269.5 245 220.5 196
                         
Phosphate (P2O5) Grain 76.5 72.25 68 63.75 59.5 55.25 51 46.75 42.5 38.25 34
  Stover 22.5 21.25 20 18.75 17.5 16.25 15 13.75 12.5 11.25 10
  Total Use 99 93.5 88 82.5 77 71.5 66 60.5 55 49.5 44
                         
Potassium (K2O) Grain 117 110.5 104 97.5 91 84.5 78 71.5 65 58.5 52
  Stover 90 85 80 75 70 65 60 55 50 45 40
  Total Use 207 195.5 184 172.5 161 149.5 138 126.5 115 103.5 92
                         
Sulfur (S) Grain 16.2 15.3 14.4 13.5 12.6 11.7 10.8 9.9 9 8.1 7.2
  Stover 15.3 14.45 13.6 12.75 11.9 11.05 10.2 9.35 8.5 7.65 6.8
  Total Use 31.5 29.75 28 26.25 24.5 22.75 21 19.25 17.5 15.75 14
                         
Zinc (Zn) Grain 0.090 0.085 0.080 0.075 0.070 0.065 0.060 0.055 0.050 0.045 0.040
  Stover 0.30 0.28 0.27 0.25 0.23 0.22 0.20 0.18 0.17 0.15 0.13
  Total Use 0.39 0.37 0.35 0.32 0.30 0.28 0.26 0.24 0.22 0.19 0.17
                         
                         
                         
                         
                         
                         
Nutrient Removal Chart describing how much of each type of nutrient is removed by a corn crop.
 
Bushels/Acre   300 280 260 240 220 200 180 160 140 120 100
  Used for                      
Nitrogen (N) Grain 270 252 234 216 198 180 162 144 126 108 90
  Stover 135 126 117 108 99 90 81 72 63 54 45
  Total Use 405 378 351 324 297 270 243 216 189 162 135
                         
Phosphate (P2O5) Grain 114 106.4 98.8 91.2 83.6 76 68.4 60.8 53.2 45.6 38
  Stover 48 44.8 41.6 38.4 35.2 32 28.8 25.6 22.4 19.2 16
  Total Use 162 151.2 140.4 129.6 118.8 108 97.2 86.4 75.6 64.8 54
                         
Potassium (K2O) Grain 81 75.6 70.2 64.8 59.4 54 48.6 43.2 37.8 32.4 27
  Stover 330 308 286 264 242 220 198 176 154 132 110
  Total Use 411 383.6 356.2 328.8 301.4 274 246.6 219.2 191.8 164.4 137
                         
Sulfur (S) Grain 24 22.4 20.8 19.2 17.6 16 14.4 12.8 11.2 9.6 8
  Stover 21 19.6 18.2 16.8 15.4 14 12.6 11.2 9.8 8.4 7
 
Total Use 45 42 39 36 33 30 27 24 21 18 15
                         
Zinc (Zn) Grain 0.300 0.280 0.260 0.240 0.220 0.200 0.180 0.160 0.140 0.120 0.100
  Stover 0.55 0.51 0.48 0.44 0.40 0.37 0.33 0.29 0.26 0.22 0.18
  Total Use 0.85 0.79 0.74 0.68 0.62 0.57 0.51 0.45 0.40 0.34 0.28
 
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