ABSTRACT
The processes of absorption and production of gases in soil involve oxygen, carbon dioxide, nitrogen and its oxides, hydrogen, methane, ethylene, and some other volatile organic compounds (Figure 1). * A scheme of soil processes affecting the composition of soil air https://s3-euw1-ap-pe-df-pch-content-public-u.s3.eu-west-1.amazonaws.com/9781351076685/f523049e-75a8-44bd-b059-be73466fb119/content/fig1_1.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
