Table 1.
Salt ions contents of groundwater under saline water.
Fig 1.
Schematic diagram (a) and photo (b) of soil columns with planting Tamarix chinensis. (a) Schematic of soil column; (b) Photo of experiment with soil columns 1, Tamarix chinensis Lour; 2, Soil; 3, Groundwater; 4, Flooded area at 0.55 m. 5, Groundwater depths (0.3m-1.8 m); 6, Interstice layer of 0.03 m.
Fig 2.
Changes of soil salt cation under different groundwater level in soil profiles.
(a) Na+; (b) K+; (c) Ca2+; (d) Mg2+.
Fig 3.
Content of salt ion under different groundwater level in soil columns.
(a) Salt cation; (b) Salt anion.
Fig 4.
Changes of soil salt anion under different groundwater level in soil profiles.
(a) Cl-; (b) SO42-; (c) NO3-; (d) CO32-+HCO3-.