The Effect of Earthworm (Lumbricus terrestris L.) Population Density and Soil Water Content Interactions on Nitrous Oxide Emissions from Agricultural Soils

Figure 2

N₂O flux over the entire course of the experiment according to the control, low, medium, and high earthworm density at (a) 15% (𝑃=.1398), (b) 25% (𝑃=.3912), (c) 35% (𝑃=.2451), and (d) 45% (𝑃=.0685) gravimetric soil water content.

(a)

(b)

(c)

(d)