Soil normally has pockets of space that contain oxygen between the grains of solid material. The voids in anoxic soil are filled with water that inhibits the transfer of oxygen to plants. Wetland plants, however, are adapted to anoxic soils and get oxygen from the air through their stems.
About this Author
Melody Lee worked as a newspaper reporter, copywriter and editor for 5 years. In addition, she has edited magazine articles and books. Lee holds a degree in landscape design and is a Florida master gardener. She has more than 25 years of gardening experience, which includes working at nurseries and greenhouses.