M.V. Singh <br/><br/>
Four Decades of Research on Micro- and Secondary-Nutrients and Pollutant Elements in Crops and Soil of Tamil Nadu 

 - Tamilnadu  Tamil Nadu Agricultural University  2010 
 - 201p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.811  / STA