M.V. Singh <br/><br/>
Four Decades of Research on Management of Micro- and Secondary Nutrients and Pollutant Elemetns in Crops and Soils of Gujarat 

 - Gujarat  Anand Agricultural University  2010 
 - 109p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.811  / PAT