Journal of agriculture and environment 

 - sokoto  Fac.of agriculture,Usmanu Danfodiyo university, sokoto 
 - 2010  2010 
 - 5(1&2),2009;6(1&2),2010; 
<br/><br/><label>ISSN: </label>1595-465X 
<br/><br/><label>LC Class. No.: </label>S1  / J68