TY  - BOOK
AU  - CHOPRA,  S L
AU  - KANWAR, J S
TI  - Analytical agricultural chemistry
U1  - 026.32916 
PY  - 1976///
CY  - New Delhi
PB  - Kalyani
KW  - Agricultural chemistry
KW  - Fertilizer analysis
KW  - Soil analysis
ER  -