Land and Watershed Management - Practices of Irrigation and On-farm Water Management - page 240

Lane LJ, Hakonson TE, Foster GR (2010) Watershed erosion and sediment yield affect-
ing contaminant transport. http://eisner.tucson.ars.ag.gov/hillslopeerosionmodel/pdfFiles/
ct_formatted.pdf. Accessed 6 May 2010
Onstad CA, Foster GR (1975) Erosion modeling on a watershed. Trans ASAE 18(2):288-292
Pimental D, Harvey C et al (1995) Environmental and economic costs of soil erosion and
conservation benefits. Science 267:1117-1122
Revenga C, Murray S, Abramvitz J, Hammoud A (1998) Watersheds of the world: ecological value
and vulnerability. World Watch Institute, Washington, DC
Scherr SJ, Yadav S (1996) Land degradation in the developing world: implications for food,
agriculture, and the environment. Discussion Paper 14, International Food Policy Research
Institute, Washington, DC
USDA-SCS (1985) National engineering handbook, Section 4 - hydrology. USDA-SCS,
Washington, DC
Williams JR (1975) Sediment yield prediction with universal equation using runoff energy factor.
In: Present and prospective technology for predicting sediment yields and sources, ARS-S-04.
USDA, Agric. Res. Serv., Washington DC, pp 244-252
Wischeier WH, Smith DD (1978) Predicting rainfall erosion losses, a guide to conservation
planning. Agriculture Handbook No. 537. USDA Science and Education Administration,
Washington, DC