References
Conant, R.T., J. Six and K. Paustian. 2001. Land use effects on soil carbon
fractions in the southeastern United States I: Management intensive versus extensive
grazing (unpublished). Colorado State Univ., Nat. Res. Ecol. Lab.
Eghball, B., J.F. Power, J.E. Gilley, and J.W. Doran. 1997. Nutrients, carbon,
and mass loss during composting of beef cattle feedlot manure. J. Environ. Qual.
26:189-193.
Follett, R.F., J.M. Kimble, and R. Lal. 2001a. The Potential of U.S. Grazing
Lands to Sequester Carbon and Mitigate the Greenhouse Effect. Lewis Publishers,
Wash., DC. 442 pp.
Follett, R., S.E. Samson-Liebig, J.M. Kimble, E.G. Pruessner, and S.W. Waltman.
2001b. Carbon sequestration under the CRP in the historic grassland soils in
the USA. pp. 27-40 In: R. Lal and K.McSweeney (eds) "Soil Management for
Enhancing Carbon Sequestration," SSSA Special Publication, Madison, WI.
Hao, X., C. Chang, F.J. Larney, and G.R. Travis. 2001. Greenhouse gas emissions
during cattle feedlot manure composting. J. Environ. Qual. 30:376-386.
Johnson, D.E. H.W. Phetteplace and A.F. Seidl. 2001. Methane, nitrous oxide
and carbon dioxide emissions from ruminant livestock production systems. Proc.
1stInter. Conf. Greenhouse Gases and Animal
Agric., Obihiro, Japan. Nov. 2001.
Lal, R., J. M. Kimble, R. F. Follett, and C. V. Cole. 1998. The potential of
U.S. cropland to sequester carbon and mitigate the greenhouse effect. Lewis
Publishers, Wash., DC. 128 pp.
Paustian, K., O. Andren, H.H. Janzen, R. Lal, P. Smith, G. Tian, H. Tiessen,
M. Van Noordwijk, and P.L. Woomer. 1997. Agricultural soils as a sink to mitigate
carbon dioxide emissions. Soil Use and Management 13:230-244.
Paustian, K., C.V. Cole, D. Sauerbeck and N. Sampson. 1998. CO2
mitigation by agriculture: An overview. Climatic Change 40:135-162.
Paustian, K., E.T. Elliott, J. Six and H.W. Hunt. 2000. Management options for
reducing CO2 emissions from agricultural soils. Biogeochemistry
48:147-163.
Peterson, G.A., A.D. Halvorson, J.L. Havlin, O.R. Jones, D.J. Lyon, and D.L.
Tanaka. 1998. Reduced tillage and increasing cropping intensity in the Great
Plains conserves soil C. Soil and Tillage Research 47:207-218.
Sampson, R. N., R. J. Scholes, C. Cerri, L. Erda, D. O. Hall, M. Handa, P. Hill,
M. Howden, H. Janzen, J. Kimble, R. Lal, G. Marland, K. Minami, K. Paustian,
P. Read, P. A. Sanchez, C. Scoppa, B. Solberg, M. A. Trossero, S. Trumbore,
O. Van Cleemput, A. Whitmore, D. Xu, B. Burrows, R. Conant, G. Liping, W. Hall,
W. Kaegi, P. Reyenga, N. Roulet, K. E. Skog, G. R. Smith, and Y. Wang. 2000.
Additional human-induced activities - article 3.4. Pages 180-281 in R. T. Watson,
I. R. Noble, B. Bolin, N. H. Ravindranath, D. J. Verardo, and D. J. Dokken,
editors. Land Use, Land-Use Change, and Forestry. Cambridge University Press,
Cambridge.
Sommer, S.G., S.O. Peteren, and H.T. Sogaard. 2000. Greenhouse gas emission
from stored livestock slurry. J. Environ. Qual. 29:744-751.
Unger, P.W. 2001. Total carbon, aggregation, bulk density, and penetration resistance
of cropland and nearby grassland soils. pp. 77-92. In: R. Lal and K.McSweeney
(eds) "Soil Management for Enhancing Carbon Sequestration", SSSA Special
Publication, Madison, WI.
U.S. Environmental Protection Agency. 2002. Inventory of U.S. Greenhouse Gas
Emissions and Sinks: 1990-2000.