TY  - BOOK
AU  - John L.Havlin
TI  - Soil fertility and fertilizers: an introduction to nutrient management
SN  - 9788120330177(pbk)
U1  - 631.422 22
PY  - 2006///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Fertilizer
KW  - Soil fertility
KW  - Crops
KW  - Nutrition
N1  - Includes bibliographical references and index
ER  -