Reducing water pollution with microbes and wood chips (the conversation 6th July 2016)
»Beneath fields of corn and soybeans across the U.S. Midwest lies an unseen network of underground pipes. These systems, which are known as tile drainage networks, channel excess water out of soil and carry it to lakes, streams and rivers. There are over 38 million acres of tile drainage in the Corn Belt states.«
https://theconversation.com/reducing-water-pollution-with-microbes-and-wood-chips-58852
planning a subsurface drainage system
eauemi 