Leye, Melesse Temesgen <br/><br/>
Conservation Tillage systems and water productivity - implications for Smallholder Farmers in semi-Arid Ethiopia 
Melesse Temesgen Leye 
 - New York  Taylor & Francis  2007 
 - xiii, 113 p. : ill. (some col.), maps (some col.) ; 24 cm 
<br/><br/><label>ISBN: </label>9780415439466 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tillage -- Environmental aspects -- Ethiopia
<br/><br/><label>Dewey Class. No.: </label>630.92 LEY