Metcalfe, Darrel S <br/><br/>
Crop production principles and practices 

 - 4th ed. 
 - London:   Macmillian Publishing Co., INC.,   1980 
 - ix, 774p. 
<br/><br/><label>ISBN: </label>0023807105 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Food-population Weather 
<br/><br/><label>Universal Decimal Class. No.: </label>633  / M0