Soils and fertilizers. 

 - Bucks :    Commonwealth Agricultural Bureaux,    1961- 
 - v. ;    25 cm. 
 - Monthly    1984-1987 
 - Bimonthly    1961-1972 
<br/><br/><label>ISSN: </label>00380792 
<br/><br/><label>Dewey Class. No.: </label>PER 631.405 S69