Russell, E John. <br/><br/>
Soil conditions & plant growth / 
E John Russell and E Walter Russell. 
 - 8th ed. 
 - London :  Longmans, Green,   c 1954.  
 - xvi, 635 p. :   ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>392  392 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops and soils.<br/>Soil science.
<br/><br/><label>Dewey Class. No.: </label>631.4 / R912s