Subsurface drainage system and amendments on cumbu napier hybrid grass in waterlogged saline alkali soil

Abstract

The area under waterlogged saline-alkali soil increasing over years in treated industrial effluent irrigated areas and in canal irrigated areas. The agricultural drainage system installed in the field to remove the excess water and salt to ensure a good crop, prevention of in-and off-season waterlogging, prevention of salinization of the soil by irrigation or by the capillary rise of groundwater. A field experiment was conducted to assess the effect of the subsurface drainage system and organic amendments (Farm Yard Manure, pressmud, vermicompost, MLSS compost, and biochar) on growth, yield and quality characteristics of Cumbu Napier hybrid (CN hybrid) in waterlogged saline-alkali soil with different treatment combinations. The experiment showed that the application of FYM @ 12.5 t ha-1 along with gypsum requirement and the entire dose of fertilizer in the drained field increased the plant height, green fodder yield of CN hybrid by 30.0 percent as compared to undrained control field.