June 12, 2015

News Quiz: Draining Iowa’s Farmland

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For over a century, drainage tiles have played a significant role in Iowa agriculture. Tiles, a network of underground perforated tubing which drain excess water to below ground level, allow crops to grow stronger roots and absorb more nutrients and have proven effective in increasing yields. But tile systems have also been targets of criticism from environmentalists who point to tiles’ environmental impact. How much do you know about Iowa’s drainage tiles?

One thought on “News Quiz: Draining Iowa’s Farmland

  1. Pingback: Is Drought Making Fruit Sweeter In California? - Issue # 167/1 | FruitsMax

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