TY  - BOOK
AU  - Gupta, P.K. 
TI  - A Handbook of soil, fertilizer and manure
SN  - 978-81-7754-403-9
U1  - Ref. 631.802 G95 
PY  - 2010///
CY  - India
PB  - Agrobios
KW  - Organic fertilizer
KW  - Handbook
ER  -