Clark, N. A. <br/><br/>
Field crops  laboratory manual 

 - Maryland  Agronomy Department University  1976 
 - iv,203p.  28cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture and related technologies<br/>Field and plantation crops
<br/><br/><label>Dewey Class. No.: </label>633  / CLA