G C Vastrad <br/><br/>
Orientation of tile opening as related to drainage efficiency 

 - M Sc (Agri) 
 - Bangalore  University of Agricultural Sciences, Bangalore  1981 
 - 70p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>6.683  / VAS