TY  - BOOK
AU  - John L.Havlin
AU  - Samuel L. Tisdale
TI  - Soil Fertility &Fertilizes
SN  - 9788120330177
U1  - 631.42   H 2998 S 
PY  - 2005///
PB  - PHI Lerarning Private Limited (New Delhi)
KW  - Soil Science
ER  -