TY  - BOOK
AU  - John L.Havlin
AU  - Samuel L.Tisdale
TI  - Soil Fertility and Fertilizers: an Introduction to Nutrient Management
SN  - 9788120348684
U1  - 631.8 HAV 
PY  - 2014///
CY  - Delhi
PB  - PHI Learning
ER  -