Food for thought  [videorecording] 

 - California :  Curriculum Materials Service,  1992 
 - 1 videocassette (VHS) (18 min.) :  sd., col. ;  1/2 in. +  1 supplement disc 
<br/><br/>Host: Heather Wicka 
<br/><br/><label>ISBN: </label> RM397.98 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Technology<br/>Agricultural innovation