Plant science  an introduction to world crops 
Jules Janick ... [et al.] 
 - 2nd ed 
 - San Francisco  W. H. Freeman  [1974] 
 - viii, 740 p.  ill.  26 cm 
 - A series of books in agricultural science .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Plants, Cultivated
<br/><br/><label>Dewey Class. No.: </label>631