Small, James  1889- <br/><br/>
Modern aspects of pH :  with special reference to plants and soils / 
James Small 
 - [1st ed.] 
 - New York :  Van Nostrand,  1954. 
 - xi, 247 p. :  illus. ;  22 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botanical chemistry.<br/>Soils--Analysis.<br/>Hydrogen-ion concentration.
<br/><br/><label>Dewey Class. No.: </label>581.19  / SMM 1954