Claassen,  S.L <br/><br/>
Management of tillage equipment on research farms/ 

 - Ibadan   IITA  1995 
 - 33P  Pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tillage--Implements<br/>Agriculture.
<br/><br/><label>LC Class. No.: </label>S683.C4  1995