TY  - BOOK
AU  - Gupta, P.K.
TI  - Handbook of soil, fertiliser and manure
SN  - 8187167211
U1  - 631.4 21st ed.
PY  - 1999///
CY  - New Delhi
PB  - Agro Botanica
KW  - Fertilizers
KW  - Hand books
KW  - Soil
ER  -