1. Conservation tillage systems and water productivity implications for smallholder farmers in semi-arid Ethiopia
پدیدآورنده : Leye, Melesse Temesgen
کتابخانه: (Semnan)
موضوع : ، Tillage - Environmental aspects -- Ethiopia.,، Conservation tillage - Ethiopia,، Soil conservation - Ethiopia,، Water conservation - Ethiopia
رده :
S
604
.
T45
2007
