USHA MATHEW 1999
STATUS AND IMPACT OF HEAVY METALS IN SELECTED SOILS AND CROPS OF KERALA - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 1999
E N99 / US.137
STATUS AND IMPACT OF HEAVY METALS IN SELECTED SOILS AND CROPS OF KERALA - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 1999
E N99 / US.137