Havlin, John L. <br/><br/>
Soil fertility and fertilizers : an introduction to nutrient management /  
John L Havlin ... et al. . 
 - 6th ed /   . 
 - Delhi :   Pearson Education ,   2003. 
 - x,499p :   charts,diagrams ;   22cm .  
<br/><br/>Include index 
<br/><br/><label>ISBN: </label>8178088630  Rs. 225.00 
<br/><br/><label>Subjects--Index Terms: </label>SOIL FERTILITY 
<br/><br/><label>Dewey Class. No.: </label>631.422  / HAV/S