TY  - GEN
AU  - Chopra, S L
AU  - Kanwar, J S
TI  - Practical agricultural chemistry: For students of B.Sc ( AGRI) of Indian Universities
U1  - 630.24 KAN 
CY  - New Delhi, S. Chand & co
KW  - Agricultural chemistry-Fertilizer/ Manure analysis
ER  -