Soil fertility survey and establishment of a soil fertility unit in Iran / 
Food and Agriculture Organization of the United Nations 
 - Rome :  FAO,  1966 
 - 3 v. :  ill. ;  28 cm. 
<br/><br/> Library has : V 1 
<br/><br/>V. 1 General report . - v. 2. Details of fertilizer experimentation in Iran . - v. 3. Results of fertilizer experiments in Iran 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility<br/>Soil--Surveys--Iran<br/>Soil productivity<br/>Fertilizers
<br/><br/><label>Dewey Class. No.: </label>631.88