Figure 2
From: Sewage sludge application enhances soil properties and rice growth in a salt-affected mudflat soil
Effects of sewage sludge (SS) application on root length (A), root volume (B), root surface area (C) and root diameter (D) of rice plants at tillering stage in salt-affected mudflat soil. Columns with different letters show significant difference between SS application rates at p < 0.05 by LSD’s multiple range test.
