Hawassa University Main Libarary Search for 'pl:"[Ankeny, Iowa] :"'

Soil quality and soil erosion /

]]> Ankeny, Iowa : | Boca Raton, Fla. : Soil and Water Conservation Society ; | CRC Press, 1999 .
xviii, 329 p. : , "Based on invited and contributory papers of a July 1996 symposium"--P. [4] of cover. 25 cm..
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Soil quality and soil erosion /

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Erosion, conservation, and small-scale farming /

]]> [Bern] : | [Sydney, Australia] : | [Ankeny, Iowa] : Geographica Bernensia ; | International Soil Conservation Organisation (ISCO) ; | World Association of Soil and Water Conservation (WASWC), 1992 .
xiii, 582 p. : , "Selection of papers presented at the 6th International Soil Conservation Conference of the International Soil Conservation Organisation (ISCO) held in Ethiopia and Kenya, 6-18 November 1989." 24 cm..
3906290700

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