TY  - GEN
AU  - Havlin,John
TI  - Soil fertility and fertilizers: an introduction to nutrient management 
SN  - 9789332570344 (pbk.)
AV  - S633 .S715 
U1  - 631.813 
PY  - 2014///
CY  - Chennai
PB  - Pearson
KW  - Crops
KW  - Nutrition
KW  - Fertilizers
KW  - Soil fertility
N1  - Includes references and index.
ER  -