OPTIMIZING THE SOIL PHYSICAL ENVIRONMENT TOWARD GREATER CROP YIELDS 

 - NEW YORK  LONDON  1972 
 - xxi/240 
<br/><br/>index 
<br/><br/><label>ISBN: </label>0123485401 
<br/><br/><label>LC Class. No.: </label>631.43/OPT  / 1 
<br/><br/><label>Dewey Class. No.: </label>631.43/OTP  / 1