TY  - BOOK
AU  - Gupta, P K
TI  - Handbook of Soil fertilizer and manure
SN  - 9788177541526
U1  - 631.4 
PY  - 2012///
CY  - Jodhpur
PB  - Agrobios (India)
KW  - Soil formation
KW  - Major plant nutrients
KW  - Phosphatic fertilisers
ER  -