TY  - BOOK
AU  - K.HARIKRISHNAN NAIR 
AU  - M.M KOSHY
TI  - STUDIES ON THE FERTILITY STATUS OF THE RED SOILS OF KERALA AND TEH EFFECT OF ADDING NITROGEN IN COMBINATION  WITH M O ON THE GROWTH YIELD AND COMPOSITION OF RICE 
U1  - E N73 HA 45 
PY  - 1973///
CY  - AGRICULTURAL  COLLEGE AND RESEARCH INSTITUTE VELLAYANI
PB  - DIVISION OF AGRICULTURAL CHEMISTRY
ER  -