Agriculture Reference
In-Depth Information
US GAO (US Government Accountability Office). 2006. USDA Conservation Programs:
Stakeholder Views on Participation and Coordination to Benefit Threatened and
Endangered Species and Their Habitats. Washington, D.C.: USGAO http://www.gao.
gov/new.items/ .
USDA-NRCS. 2012a. soils.usda.gov/gallery/photos/profiles (accessed July 13, 2012).
USDA-NRCS. 2012b. photogallery.nrcs.usda.gov (accessed July 13, 2012).
USEPA National 2010 Water Quality Inventory Report to Congress, http://www.epa.gov/305b
(Retrieved 2011).
Vanderpol, F. and B. Traore. 1993. Soil nutrient depletion by agricultural production in
Southern Mali. Fert Res 36:79-90.
VanLoocke, A., C.J. Bernacchi, and T.E. Twines. 2010. The impacts of Miscanthus x gigan-
teus production on the Midwest US hydrologic cycle. GCB Bioenergy 2:180-191.
Wallace, J.S. 1996. The water balance of mixed tree-crop systems. pp. 189-233. In: Ong, C.K.
and P. Huxley (eds.). Tree-Crop interactions . CAB International, Wallingford, UK.
Wang, C., J.A. McKeague, and K.D. Switzer-Howse. 1985. Saturated hydraulic conductivity
as an indicator of structural degradation in clayey soils of Ottawa area, Canada. Soil Till
Res 5:19-31.
West, T.O. and G. Marland. 2002. A synthesis of carbon sequestration, carbon emissions, and
net carbon flux in agriculture: comparing tillage practices in the United States. Agric
Ecosyst Environ 91:217-232.
West, T.O. and W.M. Post. 2002. Soil organic carbon sequestration rates by tillage and crop
rotation: a global data analysis. Soil Sci Soc Am J 66:1930-1946.
Wood, C.W., G.A. Peterson, D.G. Westfall, C.V Cole, and W.O. Willis. 1991. Nitrogen bal-
ance and biomass production of newly established no-till dryland agroecosystems.
Agron J 83:519-526.
Zhao, H.L., J.Y. Cui, R.L. Zhou, T.H. Zhang, X.Y. Zhao, and S. Drake. 2007. Soil properties,
crop productivity and irrigation effects on five croplands of Inner Mongolia. Soil Till
Res 93:346-355.
Search WWH ::




Custom Search