Soil testing and plant analysis/ 
edited by Leo M. Walsh and James D. Beaton. 
 - Rev. ed. 
 - Madison, Wis.:  Soil Science Society of America,  1973 
 - 491 p. :   ill. ;   24 cm. 
<br/><br/> Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Analysis.<br/>Plants--Chemical analysis.<br/>Plants--Nutrition.