WebThe reclamation and improvement of sodic soil require the removal or replacement of exchangeable sodium. This can be carried out in many ways, including physical, hydro … WebExchangeable sodium percentage (ESP) In many Australian soils, sodium is prevalent both adsorbed on cation exchange sites and in soil solution. The ratio of exchangeable …
Difference Between Saline and Alkaline Soils
WebThe ratio of exchangeable sodium to the total of exchangeable cations – the exchangeable sodium percentage or ESP – is a good indicator of soil structural stability. Soil testing laboratories can test for the common … WebExchangeable sodium percentage (ESP) is, strictly speaking, the exchangeable sodium divided by measured CEC expressed as a percentage. In most cases ESP is calculated as exchangeable sodium divided by CEC by bases expressed as a percentage. Usually there is little difference and more convenience in using the latter, topcast 75
Sodic Soil: Effects, Properties, and Treatment - The Constructor
WebExchangeable Sodium Percentage, ESP, and/or Sodium Adsorption Ratio, SAR Exchangeable sodium percentage (ESP) is used in the classification of saline and alkali … http://www.terragis.bees.unsw.edu.au/terraGIS_soil/sp_exchangeable_sodium_percentage.html WebBentonites are classified into three main categories according to the proportion of exchangeable sodium and calcium cations they contain, their swelling index, and their … topcast 50