TY  - BOOK
AU  - Koshy, M M
AU  - P A Korah
AU  - P B Usha
AU  - C R Sudharmai Devi
TI  - Centre of excellence for tropical soils: quinquennial report for the period 1985-'90
U1  - 631.4 
PY  - 1990///
CY  - Vellayani
PB  - Kerala Agricultural University,College of Agriculture
KW  - Soils of Kerala
KW  - studies of Kole soils
KW  - Studies on soil plant relationships
ER  -