Soil fertility status of experimental area at National Agricultural Research Centre, Islamabad 

 - Islamabad      PARC  PK 1998     
 - 16p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  <Soil fertility><Pakistan><Agricultural research><Pakistan>
<br/><br/><label>Dewey Class. No.: </label>PK/PARC/Soi-