TY  - BOOK
AU  - Dhyan Singh,Chhonkar, P.K., Dwivedi, B.S.
TI  - Manual on soil,plant and water analysis 
U1  - ddc631.4078 DHY 
PY  - 2005///
CY  -  New Delhi
PB  - Westville Pub.House
N1  - C.No.1
ER  -