Gates, Jane Potter <br/><br/>
Conservation tillage :  january 1991 - december 1993 
/por Jane Potter Gates 
 - Maryland, EUA :  National Agricultura Library,  1994 
 - 91 p. 
 - Quick bibliography series.  ; 94-13 .
 - Quick bibliography series.  Alternative farming systems  ; 94-13 .
<br/><br/><label>ISSN: </label>1052-5378 
<br/><br/><label>LCCN: </label>103260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliografía.<br/>Labranza cero.<br/>Labranza de conservación.
<br/><br/><label>Dewey Class. No.: </label>631.51016  / G22