Monitoring and Modeling of Saline-Sodic Vertisol Reclamation by Echinochloa stagnina

Soil salinity due to irrigation is a major constraint agriculture, particularly in arid and semi-arid zones, water scarcity high evaporation rates. Reducing fundamental objective for protecting the soil supporting agricultural production. The present study aimed empirically measure simulate with model, reduction Vertisol by cultivation of Echinochloa stagnina. Laboratory column experiments were conducted test three treatments: (i) ponded bare without crops, (ii) cultivated E. stagnina two successive cropping seasons (iii) permanently staggered harvest. After 11 months growth, electrical conductivity saturated paste (ECe) decreased 79–88% topsoil layer (0–8 cm) both soils soil. In contrast, deepest (18–25 cm), ECe more (41–83%) than (32–58%). Salt stocks, which initially similar columns, (65–87%) (34–45%). simulation model Hydrus-1D was used predict general trends compare them measurements. Both measurements predictions highlighted contrast between seasons: slowly during first season rapidly second following intercropping season. Our results also suggested that planting promising option controlling saline-sodic Vertisols.