One major similarity with soils dominated by calcium and sodium ions are that they will be saline soils without much moveable waer within them and plants would have to apply more energy to exude salts and take up pure water. The main difference is sodium ions will disperse into separate particles rather than sticking together. In terms of affecting water flow and hydrology in soils, the most important impact of high Na+ is that aggregates will be weaker or nonexistent if they are held together by clay. Without aggregation pore structure of soil is highly affected and it is seen that water drainage doesnt take place as fast as that in calcium rich soils. Calcium ions have a tendency to ‘flocculate’ (clump together) soil colloids (fine clay and organic matter particles), thus, increasing aggregation and macroporosity.In turn, soil porosity, structural stability and water movement may actually be improved in saline soils. Solution One major similarity with soils dominated by calcium and sodium ions are that they will be saline soils without much moveable waer within them and plants would have to apply more energy to exude salts and take up pure water. The main difference is sodium ions will disperse into separate particles rather than sticking together. In terms of affecting water flow and hydrology in soils, the most important impact of high Na+ is that aggregates will be weaker or nonexistent if they are held together by clay. Without aggregation pore structure of soil is highly affected and it is seen that water drainage doesnt take place as fast as that in calcium rich soils. Calcium ions have a tendency to ‘flocculate’ (clump together) soil colloids (fine clay and organic matter particles), thus, increasing aggregation and macroporosity.In turn, soil porosity, structural stability and water movement may actually be improved in saline soils..

1. One major similarity with soils dominated by calcium and sodium ions are that they will be
saline soils without much moveable waer within them and plants would have to apply more
energy to exude salts and take up pure water.
The main difference is sodium ions will disperse into separate particles rather than sticking
together. In terms of affecting water flow and hydrology in soils, the most important impact of
high Na+ is that aggregates will be weaker or nonexistent if they are held together by clay.
Without aggregation pore structure of soil is highly affected and it is seen that water drainage
doesnt take place as fast as that in calcium rich soils. Calcium ions have a tendency to
‘flocculate’ (clump together) soil colloids (fine clay and organic matter particles), thus,
increasing aggregation and macroporosity.In turn, soil porosity, structural stability and water
movement may actually be improved in saline soils.
Solution
One major similarity with soils dominated by calcium and sodium ions are that they will be
saline soils without much moveable waer within them and plants would have to apply more
energy to exude salts and take up pure water.
The main difference is sodium ions will disperse into separate particles rather than sticking
together. In terms of affecting water flow and hydrology in soils, the most important impact of
high Na+ is that aggregates will be weaker or nonexistent if they are held together by clay.
Without aggregation pore structure of soil is highly affected and it is seen that water drainage
doesnt take place as fast as that in calcium rich soils. Calcium ions have a tendency to
‘flocculate’ (clump together) soil colloids (fine clay and organic matter particles), thus,
increasing aggregation and macroporosity.In turn, soil porosity, structural stability and water
movement may actually be improved in saline soils.