TY  - BOOK
AU  - Rajasekaran, S.
TI  - Fertilizers and manures
SN  - 9788190848039
U1  - 631.81 
PY  - 2009///
CY  - Mayiladuthurai
PB  - Puthagacholai Publications
KW  - Fertilizers
KW  - Manures
N1  - includes bibliographical references
ER  -