TY  - BOOK
AU  - John, K.K.
TI  - Crop rotation in Kerala: a case study of Kaduthuruthy Block / 
SN  - 81-87621-97-4
U1  - 307.1412 
PY  - 2004///
CY  - Thiruvananthapuram
PB  - CDS
KW  - Crop rotation-Kerala
ER  -