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In the border region of desertification and non desertification,grass checkers are usually set to hinder the progress of desertification.But this one-off device won’t solve it.Based on eco-controlling of desertification and advantages of grass checker,we use hylocereus undahtus-like blades to collect moisture blown by wind in the morning to irrigate the sand-fixation plants in checkers.In addition,slow release fertilizer in the device also help in recovery of desert vegetation.
China University of Petroleum