TY  - BOOK
AU  - Sadana,Upkar Singh
TI  - Effect of gypsum and organic materials on redox equilibria and availability of iron and anganese in submerged saline-sodic soils
KW  - Metabollic elements
KW  - Soil sciences
KW  - Soil chemistry
KW  - Heavy metals
KW  - Elements
KW  - Agricultural chemicals
KW  - Alluvial soil
ER  -