Soil analysis :  handbook of reference methods / 
Soil and Plant Analysis Council, Inc. 
 - Boca Raton :  CRC Press,  2000 
 - 247 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0849302056 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Analysis--Laboratory manuals--Analysis--Laboratory manuals