TY  - GEN
AU  - Havlin , John L.
TI  - Soil fertility and Fertilizers
SN  - 9788120330177
U1  - 631.8 
PY  - 2012///
CY  - New Delhi
PB  - PHI Learning private Limited
KW  - SOIL
KW  - FERTILITY
KW  - FERTILIZARS
ER  -