They require less fertilizer, prevent soil erosion, require fewer or zero pesticides, the list goes on. (treehugger.com)
They can also grow on marginal lands with less fertilizer and water, making it less likely they will compete with food production. (sciencemag.org)
Despite using nearly 90 percent less fertilizer, corn and soybean yields increased, soil quality improved, and soil erosion decreased by 25 percent, all without decreasing profitability. (washingtonpost.com)