H.J. Veltkamp <br/><br/>
Physiological causes of yield variation cassava ( Manihot esculenta crantz ) 

 - Wageningen  Agricultural University  1986 
 - 104p 
<br/><br/>H.J. Veltkamp: Physiological causes of yield variation cassava ( Manihot esculenta crantz ).  Wageningen.  Agricultural University, 1986. 90-6754-070-6--(633.682VEL)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>90-6754-070-6 
<br/><br/><label>Dewey Class. No.: </label>633.682  / VEL