[1]
|
F. R. Troeh and L. M. Thompson, “Soils and Soil Fertility,” Blackwell Publishing Ltd., Oxford, UK, 2005.
|
[2]
|
N. W. Hudson, “Soil Conservation,” B.T Brantford Ltd., London, 1989.
|
[3]
|
D. Favis-Mortlock, “The Extent of Soil Erosion,” 2005.
http://soilerosion.net/doc/extent_of_erosion.html
|
[4]
|
D. Pimentel, C. Harvey, P. Resosudarmo, K. Sinclair, D. Kurz, M. McNair, S. Crist, L. Shpritz, L. Fitton, R. Saffouri and R. Blair, “Environmental and Economic Costs of Soil Erosion and Conservation Benefits,” Science, New Series, Vol. 267, No. 5201, 1995, pp. 1117-1123.
doi:10.1126/science.267.5201.1117
|
[5]
|
J. Gyamfi-Aido and R. G. Congalton, “Application of GIS to the Assessment of Land Degradation and Associated Hazards in the Upper East Region of Ghana,” Proceedings 2nd International Conference, Extracts and Workshop on GIS, San Francisco, 26-30 October 1987, pp .487-497.
|
[6]
|
Cowlitz County Building Planning Department, “Calculating Slope,” 2008.
http://www.co.cowlitz.wa.us/buildplan/forms/Calculating%20Slope
|
[7]
|
Advameg, “Countries and Their Culture—Culture of Ghana —History, People, Clothing, Traditions, Women, Beliefs, Food, Customs, Family,” 2011.
http://www.everyculture.com/GeIt/Ghana.html#ixzz1bbv67slj
|
[8]
|
Permalink, “Home Building Remodeling,” 2008.
http://www.homebuildingremodeling.com/cgi-bin/mt-tb.cgi/6
|
[9]
|
K. Agyarko, E. O. Akoto, and A. Awuah, “Characterization of Solid Wastes Generated by a Community in Ghana —The Case of Asante Mampong,” Journal of Applied Science and Technology, Vol. 12, No. 1-2, 2007, pp. 46-51.
|
[10]
|
Google’s Cache, “Factors Affecting Soil Erosion,” 2011.
http://www.spindigo.com/doctorluke/www/Transcripts/agriculture_eng/2_10_soil_erosion_factors.htm.
|