Great Britain. National Agricultural Advisory Service   <br/><br/>
Trace elements in soils and crops: proceedings of a Conference organized by the Soil Scientists of the National Agricultural Advisory Service, Feb. 8th-9th, 1966  (Book) 

 - London  Her Majesty's Stationery Office  1971 
 - 217 p.  25 cm. 
<br/><br/><label>ISBN: </label>112409210 
<br/><br/><label>Universal Decimal Class. No.: </label>631.416.9:631.81.095.337 GRE  / 6577