NEWBio Energy Crop Profile: Switchgrass - Penn State Extension
https://extension.psu.edu/newbio-energy-crop-profile-switchgrass
WebAug 22, 2013 · Switchgrass is a hardy deep-rooted perennial grass that grows as high as 6 feet and can produce an annual crop for up to 20 years. Switchgrass does well on a wide variety of soil types, including wet, shallow, or rocky soils, and is drought tolerant. Its deep roots can break through tough soil layers, improving long-term soil structure.
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