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7/8/2020, IPNI Estimates of Nutrient Uptake and Removal <br /> Removal,Ib/unit* <br /> Crop"* Unit N P'O' K20 S <br /> Sorghum stover bu 0.56 0.16 0.83 0.12 <br /> Sorghum stover ton 28 8.3 42 6.9 <br /> Sorghumsuclan(DM) ton 30 9.5 34 5.8 <br /> Soybean grain bu 3.3 0.73 12 0.18 <br /> Soybean hey(DM) ton 46 il. 25 5.0 <br /> Soybean stover bu 11 0.24 LO 0.17 <br /> Soybean stover ton 40 8.8 37 62 <br /> Sugarbeet root ton 3.7 22 7.3 0.46 <br /> Sugarbeet top ton 74 4.0 20 0.40 <br /> Sugarcane ton 2.0 12 3.5 <br /> Sunflower grain cwt 2J 0.97 0.9 026 <br /> Sunflower stover cwt 2.8 024 4.1 0.6 <br /> Sunf ower stover ton 23 2.0 34 5.0 <br /> Swdchgrass(DM) ton 22 12 58 <br /> Timothy(OM) ton 26 11 42 2.0 <br /> Tomatoes ton 2.5 0.92 5.7 <br /> Tobacco leaves cwt 3.6 0.90 5.7 0.6 <br /> Vetch(DM) ton 57 15 49 <br /> Wheat straw tw 0.7 0.16 L2 014 <br /> Wheatstraw ton 15 3.7 29 6A <br /> Wheat(spring)grain bu 15 0.57 0.33 030 <br /> Wheat(winter)grain tw L2 0.48 0.29 010 <br /> *Nutrient removal refers to the quantity of nutrient removedfiim the field at crop harvest <br /> **Reported nutrient removal coefficients may very regionally depending on growing cond?tions.I Ise locally available data whenever possible. <br /> -DWI=dry matter iaasts;otherwise moisture content is standard marketing convention or at the stated moisture content. <br /> Last modlfled May.2014. <br /> Example:Using Table 4.5,an example of nutrient balancing would be a 200 bu/A corn crop remotes 70 Ib P203 from the <br /> --it 200 X 0.35=70j_ So,the maintenance PCO,application will he 701h/.4 <br /> Metric Tables <br /> Table 4.1 Total nutrient uptake*by selected crops(Last modified: May 2014). <br /> v <br /> www.ipni.net/article/IPNI-3296 3/6 <br />