TY  - BOOK
AU  - 
AU  - Kunnumkal,Mathew C
TI  - Proceedings of the national workshop on soil resource management
U1  - 631.4 
PY  - 2005///
CY  - Thiruvananthapuram
PB  - Soil survey organisation
KW  - Precision farming
KW  - Soil resources
ER  -