Methods of soil analysis :  chemical and minobial properties / 
edited by C. A. Black, D. D. Evans. 
 - Wisconsin :  American Society of Agronomy,  1965. 
 - xiii, 1572 p. ;  24 cm. 
 - Agronomy .
<br/><br/>Includes index and bibliography. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Analysis.<br/>Soils--Chemical constutents.