TY  - BOOK
AU  - Havlin, John L
AU  -  Tisdale, Samuel L
TI  - Soil Fertility and Fertilizers: : an introductionto nutrient management
SN  - 9789332570344
U1  - 631.422 
PY  - 2016///
CY  - Noida
PB  - Pearson
ER  -