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Drainage Management Systems
Mole drains: A cheap alternative to subsurface tile drainage
October 12, 2022 By Ehsan Ghane, Michigan State University Extension, Department of Biosystems and Agricultural Engineering
Mole drains are a low-cost practice to improve the soil physical property and drainage performance. Moling is very suitable in heavy clay soil with a minimum of 45% clay content and less than 20% sand at the mole depth.
What are mole drains?
Mole drains are unlined tunnels (mole channels) in the clay subsoil formed by a mole plow. A mole plow is composed of a shank (leg) attached to a cylindrical bullet followed by a cylindrical expander. The process of pulling the mole plow results in soil cracks. | READ MORE
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