Construction and Engineering Application of Salt-Discharging Model for Local Saline-Alkali Soil with Compact Structure in the Yellow River Delta

Figure 2

Scanning pictures of the local saline-alkali soil (enlarge 1000 times). (a) Surface soil. (b) Soil at depth 10 cm underground. (c) Soil at depth 20 cm underground. (d) Soil at depth 30 cm underground. (e) Soil at depth 40 cm underground. (f) Soil at depth 50 cm underground. (g) Soil at depth 60 cm underground.

(a)

(b)

(c)

(d)

(e)

(f)

(g)