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ProCrop |
Approximate Amounts of Plant Foods Removed in Crops (lbs/A)
| Crop | N | P2O5 | K2O | Ca | Mg | S | B | Fe | Mn | Zn | Cu | Mo |
| Alfalfa | 200* | 55 | 200 | 112 | 21 | 19 | .06 | .90 | .44 | .42 | .42 | (4 T) |
| Barley (60 bushels) | ||||||||||||
| Grain | 70 | 28 | 30 | |||||||||
| Straw | 40 | 12 | 180 | |||||||||
| Corn (150 bu) | ||||||||||||
| Grain | 135 | 53 | 40 | 2 | 8 | 10 | .1 | .17 | .09 | .15 | .06 | .005 |
| Stover | 100 | 37 | 145 | 26 | 20 | 14 | .1 | 1.20 | 1.5 | .30 | .06 | .003 |
| Flax (20 bushel) | ||||||||||||
| Grain | 50 | 12 | 16 | |||||||||
| Straw | 21 | 5 | 75 | |||||||||
| Oats (80 bushel) | ||||||||||||
| Grain | 50 | 20 | 15 | 2 | 3 | 5 | .15 | .12 | .05 | .03 | ||
| Straw | 25 | 15 | 80 | 8 | 8 | 9 | 1.5 | 1.21 | .29 | .03 | ||
| Soybeans | 150* | 35 | 55 | 7 | 7 | 4 | .05 | .63 | .05 | .04 | .04 | 40 bu |
| Wheat (40 bushel) | ||||||||||||
| Grain | 68 | 25 | 15 | 1 | 6 | 3 | .1 | .19 | .09 | .14 | .03 | |
| Straw | 58 | 5 | 35 | 6 | 3 | 5 | .2 | .50 | .16 | .05 | .01 | |
| Sugarbeets (20 T) | ||||||||||||
| 20 T Roots | 80 | 35 | 133 | 44 | 32 | 13 | 1.00 | .04 | ||||
| 12 T Tops | 115 | 20 | 220 | |||||||||
| Potatoes (220 cwt) | 100 | 28 | 155 | |||||||||
| Sunflowers (20 cwt) | ||||||||||||
| Seed | 48 | 16 | 13 | 2 | 4 | 3 | ||||||
| Stover | 31 | 5 | 54 | 33 | 17 | 6 |
* Inoculated legumes fix nitrogen from the air.
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