Potato research symposium of the V.O.P.R.I. in collaboration with NP CO and the potato board 1-2 August 1989 :    quantified responses of th e potato crop of water-stress /  
edited by D.K.L. Mackerron 
 - [s.l.] :    [s.n.],    [n.d.] 
 - 137 p. :    ill.  ;    30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Potatoes -- Congresses.
<br/><br/><label>Dewey Class. No.: </label>641.3521 POT