Yield formation in the main field crops 
J. Petr ... et al. 
 - Amsterdam  Elsevier North-Holland  1988 
 - 336 p. : ill. ; 24 cm. 
 - Developments in crop science  13 .
<br/><br/><label>ISBN: </label>0444989544 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops