The level of exchangeable sodium percentage (ESP) in your soil is? The table below indicates the treatment options for various types of problem soils. Is your soil: Surface acid acid acid neutral sodic Subsoil acid saline acid (alkaline) add lime add lime add lime add lime you need to: then add lower water gypsum table Surface neutral neutral alkaline sodic sodic sodic sodic Subsoil saline (alkaline) (alkaline) (alkaline) grow lower water add gypsum acidifying add gypsum you need to: table legumes add gypsum saline & Surface sodic saline highly sodic sodic with any saline & saline & Subsoil saline other sodic sodic combination (alkaline) (alkaline) control control add gypsum add gypsum salinity before salinity you need to: adding try test lower water gypsum or areas of table lime gypsum Controlling acid, sodic and saline soils (Managing Sodic, Acidic and Saline Soils, CRC for Soil and Land Management, 1997)
The level of exchangeable sodium percentage (ESP) in your soil is? The table below indicates the treatment options for various types of problem soils. Is your soil: Surface acid acid acid neutral Subsoil acid sodic (alkaline) saline acid you need to: add lime add lime add lime add lime then add gypsum lower water table Surface neutral neutral alkaline sodic Subsoil sodic (alkaline) saline sodic (alkaline) sodic (alkaline) you need to: add gypsum lower water table grow acidifying legumes add gypsum add gypsum Surface sodic saline saline & sodic highly sodic Subsoil saline with any other combination saline & sodic (alkaline) saline & sodic (alkaline) you need to: add gypsum control salinity before adding gypsum or lime control salinity add gypsum lower water table try test areas of gypsum Controlling acid, sodic and saline soils (Managing Sodic, Acidic and Saline Soils, CRC for Soil and Land Management, 1997)
The%20level%20of%20ESP%20in%20your%20soil.docx