Gypcal- Gypsum calculator
It estimates Gypsum requirement of Sodic soils for chemical reclamation to optimize crop production. User friendly tool for field functionaries, researchers, line department officials as well as farmers It calculates sodic soil gypsum requirement in quantity of bags (of 50 Kg). It also estimates exchangeable sodium percentage of the sodic soil. It also calculates total depth of water required for leaching to flush out salts.