PREMACHANDRAN.P.N 1998
LAND EVALUATION AND SUITABILITY RATING OF THE MAJOR SOILS OF ONATTUKARA REGION - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 1998
E N98 / PR.128
LAND EVALUATION AND SUITABILITY RATING OF THE MAJOR SOILS OF ONATTUKARA REGION - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 1998
E N98 / PR.128