Root activity patterns of some tree crops ; results of a five-year co-ordinated research programme... 

 - Vienna :  OIEA,  1975 
 - 154 p.  ; gráfs. 
 - Technical reports series  ; 170 .
 - Technical reports series  ; 170 .
<br/><br/><label>LCCN: </label>35786 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Raíces<br/>Raíces--Anatomía.
<br/><br/><label>Dewey Class. No.: </label>581.498  / O7