Optimum reqirements and utilization of water for irrigated  crops   Symposium    

 - New Delhi   Manager of publications govt. of india      1969 
 - iii,182-p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(D2)-p2.N69, K9