Stelly, Matthias <br/><br/>
Soil testing: correlating and interpreting the analytical results 

 - Wisconsin  American Society of Agronomy  1977 
 - vii,117p.  Illustration 
<br/><br/><label>ISBN: </label>0891180478 
<br/><br/><label>Dewey Class. No.: </label>631.4  / SOI