Farming system research and extension programme / 
by NCRI 
 - Badeggi  National Cereal Research Institute   1998 
 - vii, 45p.  Pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural system - Nigeria<br/>Agricultural extension work - Research 
<br/><br/><label>LC Class. No.: </label>SB205.S7.N3 1998