1. Soil condition classification using infrared spectroscopy: a proposition for assessment of soil condition along a tropical forest-cropland chronosequence;Awiti;Geoderma,2008
2. Whither goes soil science in the United States and Canada?;Baveye;Soil Science,2006
3. Managing Africa's agricultural soils: the future of soil science;Bekunda,2006
4. Soil Conservation;Bennett,1939
5. New estimates of national research and development expenditures show 5.8% growth in 2007. InfoBrief Science Resource Statistics, August: 1–8.Bouma, J., 2001. The new role of soil science in a network society;Boroush;Soil Science,2008