Enhancing Agricultural Productivity Through on-Farm Water-use Efficiency :  An Empirical Case Study of Wheat Production in Iraq 
United Nations 
 - New York  United Nations  2003 
 - 39p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural Productivity
<br/><br/><label>Dewey Class. No.: </label>633.118709567  / ENH.P3