TY  - BOOK
AU  - Gupta, P.K.
AU  - Gupta, P.K.
TI  - A Handbook of Soil, Fertilizer and Manure
U1  - 631.802/GUP 
PY  - 2004///
CY  - Jodhpur (Raj.)
PB  - Agrobios (India)
ER  -