TY  - BOOK
AU  - John L.Havlin
AU  - Jemes D. Beaton
AU  - Samuel L. Tisdale
AU  - Werner L. Nelson
TI  - Soil Fertility & Fertilizers (An Introduction to Nutrient Management
SN  - 978-81-203-3017-7
U1  - 631.4 HAV-S 
CY  - PHI Learning 
ER  -