Lockhsrt, J.A.R.. <br/><br/>
Introduction to cr,op husbandry /  

 - Fourth Edn. /  
 - New York :   Pergamon Press ,   1992 
 - vii,302p :  
<br/><br/><label>ISBN: </label>0-08- 022653-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<Photosynthesis>
<br/><br/><label>Dewey Class. No.: </label>J.56  / L8