How Fast Are We Really Losing Soil?
February 4, 2019 | There are many ways to measure erosion, and these can sometimes vary depending on what we’re trying to achieve. A few years ago, a professor of agronomy at Iowa State University made the news with an estimate that topsoil loss in that state—by his reckoning, up to 12 times the government’s estimate of 5.4 tons ... READ MORE