Leach field crops can be classified according to the typical form of cultivating plants such as phytoplankton systems, beam floating root systems and plant systems to sink. Most systems use the plants root cluster, however, can be classified according to the types of materials used and the flow regime in the system.
There are 2 types of wetland classification basic tectonic form flow: type flow freely on the ground (Free surface flow) and the type of running underground (subsurface slow).
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