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 the Author
Melody Lee holds a degree in landscape design, is a Florida Master Gardener, and has more than 30 years of gardening experience. She currently works as a writer and copy editor. Her previous jobs include reporter, photographer and editor for a weekly newspaper.