Final report on soil fertility survey and establishment of soil fertility unit in Iran 

 - Rome  Food and Agriculture organization.      1966 
 - 128p.  cm. 
 -  Vol-1 .
<br/><br/> General Report 
<br/><br/><label>Standard No.: </label>151485 
<br/><br/><label>Source: </label> Reports 
<br/><br/><label>Dewey Class. No.: </label>"X9(J:1).45.N6t4, K6.1/UN"