Singh Dhyan <br/><br/>
Manual on Soil, Plant and Water Analysis 

 - 1ST ED.2005, RP 2018 Ed. 
 - New Delhi  Westville Publishing House, New Delhi  2018 
 - 198p. 
 - Bharati Grahak Bhandar,Pune. B/4485, DT-17/10/2018 .