TY  - GEN
AU  - Kumar,H.D.
TI  - Agricultural ecology
SN  - 8176489948
U1  - 574.5264 
PY  - 2006///
CY  - New Delhi
PB  - A P H Publishing
KW  - Agricultral ecology
KW  - India
N1  - Includes bibliographical references and index
ER  -