Small, James, 1889-  Small, James, 1889- <br/><br/>
Modern aspects of pH :  with special reference to plants and soils / 
by James Small. 
 - 1st ed. 
 - London :  Bailliere, Tindall and Cox,  1954. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 222-236. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botanical chemistry.<br/>Soils -- Analysis.--Soils -- Analysis.<br/>Hydrogen-ion concentration.