From: UIUC College of Agriculture, Consumer, and Environmental Sciences
Published September 5, 2017 12:08 PM

Could switchgrass help China's air quality?

Researchers from the United States and China have proposed an idea that could improve China’s air quality, but they’re not atmospheric scientists. They’re agronomists.

“China’s poor air quality is caused by a combination of coal burning and particulates from soil erosion. The Loess Plateau is the major source of erosion in China, and air quality there is just terrible. If erosion in the Loess Plateau can be improved, air quality will improve,” says D.K. Lee, an agronomist in the Department of Crop Sciences at the University of Illinois.

Although the region has been farmed for millennia, much of China’s Loess Plateau could be described as a barren moonscape: dry, dusty, and prone to erosion. In fact, the distinctive loess soils in the area have been called the most erodible in the world. In a massive soil conservation effort, the Chinese government is creating incentives for farmers to plant sustainable and erosion-reducing cropping systems, including orchards, forests, and perennial grasses. Researchers from U of I are recommending switchgrass.

Continue reading at UIUC College of Agriculture, Consumer, and Environmental Sciences

NPS Photo by Jim Pisarowicz

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