TY  - BOOK
AU  - Appavu,K.
TI  - Studies on coppe, zinc, manganese and iron status of the soils of Namakkal taluk (Salem district, Tamil Nadu)
KW  - Soil science
KW  - Allovial soils
KW  - Soil chemistry
KW  - ph
KW  - Metallic elements
KW  - Heavy metal
ER  -