TY  - BOOK
AU  - Melesse Temesgen Leye
TI  - Conservation Tillage Systems and Water Productivity - Implications for Smallholder Farmers in Semi-Arid Ethiopia
SN  - 9780429094132
PB  - Taylor and Francis
UR  - http://www.taylorfrancis.com/books/9780429094132
ER  -