Lockhart, J. A. R. <br/><br/>
Introduction to crop husbandry 

 - 3 ed. 
 - Oxford :  Pergamon Press,  1975 
 - 316 p.  : ilus. 
 - Pergamon international library of science, technology, engineering and social studies .
 - Pergamon international library of science, technology, engineering and social studies .
<br/><br/><label>LCCN: </label>31052 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos.
<br/><br/><label>Dewey Class. No.: </label>633  / L6 1975