Postel, Sandra <br/><br/>
Conserving water :  the untapped alternative / 
Sandra Postel 
 - Washington :  WI ,  1985 
 - 66p. :  ill. ;  20 cm. 
 - Worldwatch paper  No. 67 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivation system<br/>water management<br/>irrigation
<br/><br/><label>Gov. Doc. Class. No.: </label>US WI P-67