back

Table 5. Residue Indexes* for Estimating Agricultural Residue Production
* Residue index = pounds of residue produced/bushel of grain produced
“The following is an example of calculating the quantity of residue based on the residue indices: 70 bushel grain sorghum crop, grain sorghum has a residue index of 60, 70 x 60 = 4200 pounds of residue per acre. Approximately 50 percent of the residue is removed; 2,100 pounds of residue per acre are available for live-stock removal.”
- Residue Index (lbs. per bushel unless otherwise noted)
Grain type Thompson 1997 Patterson 1995 (originally Residue Management Guide: Small Grain Residue in the Pacific Northwest. Monsanto) Patterson 1995 (USDA-NRCS, 2000. TG Notice KS-251) Kok 1997
Wheat - 100 - - 102 100
Winter Wheat - - 80-110 - - -
Irrigated - - 105 - -
Dryland - - 85 - -
Spring Wheat - - 70-100 - - -
Irrigated - - 95 - -
Dryland - - 75 - -
Corn 60 - - 56 -
Grain Sorghum 60 - - 56 -
Oats 55 40-60 - 64 per bushel of grain -
- - - 50 - -
Soybeans 45 - - 75 -
Sunflower 1.5 - - 2.2 lb per lb of grain -
Barley - - - - - -
Spring Barley - - .85-1.5 - - -
Irrigated - - 65 - -
Dryland - - 50 - -
Millet - - - 80 -
Compiled by Fiber Futures, 2002