Table A11. Factors Used To Estimate Methane and Nitrous Oxide 
Emissions from Burning of Crop Residues

Crop Type Ratio of Residue to Crop Volume Dry Matter Content
(Percent)
Carbon Content
(Percent)
Nitrogen Content
(Percent)
Barley 1.2 85.0 45.7 0.43
Beans 2.1 85.4 c45.0 a2.30
Corn 1.0 78.0 47.1 0.81
Oats 1.3 b90.1 a42.0 a0.84
Peas 1.5 b90.2 c45.0 c2.30
Peanuts 1.0 90.1 c42.3 c1.10
Potatoes 0.4 c86.7 42.3 1.10
Rice 1.4 85.0 41.4 0.67
Rye 1.6 c90.0 c48.5 c0.70
Sorghum 1.4 88.0 a34.0 d0.85
Soybeans 2.1 86.7 a44.0 d2.30
Sugar Beets 0.2 c90.0 40.7 2.28
Sugar Cane 1.2 37.2 47.0 0.19
Wheat 1.3 85.0 48.5 0.28
Sources: A. Strehler and W. Stutzle, "Biomass Residues," in D. Hall and R. Overend (eds.), Biomass: Regenerable Energy (Chichester, UK: John Wiley and Sons, 1987), except where indicated by: (a) C. Li, S. Frolking, and R. Harriss, "Modeling Carbon Biogeochemistry in Agricultural Soils," Global Biogeochemical Cycles, Vol. 8 (September 1994); (b) E. Darley, Emission Factors from Burning Agricultural Wastes Collected in California, Final Report, CAL/ARB Project 4-011 (Riverside, CA: University of California, 1977); (c) U.S. Environmental Protection Agency, Office of Policy, Planning and Evaluation, Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-1993, EPA 230-R-94-014 (Washington, DC, September 1994); (d) G. Barnard, "Use of Agricultural Residues as Fuel," in J. Pasztor and L. Kristoferson (eds.), Bioenergy and the Environment (Boulder, CO: Westview Press, 1990).

Back to Appendix A:  Estimation Methods