Martin, John Holmes <br/><br/>
Principles of field crop production 
Holmes John and Martin 
 - 3rd edition 
 - London  Macmillian publishers  1976 
 - Xi,118p.  Hbk 
<br/><br/><label>ISBN: </label>0023767200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops--United states
<br/><br/><label>LC Class. No.: </label>SB187.U6.M3 1975