(VistaNingxia)CHINA-NINGXIA-ZHONGWEI-ENVIRONMENT-SAND CONTROL (CN)

(240616) -- ZHONGWEI, June 16, 2024 Photo by Xinhua/ABACAPRESS.COM) -- Organized by United Nations Environment Programme (UNEP), international delegates inspect straw checkerboards in Zhongwei, northwest China's Ningxia Hui Autonomous Region, Oct. 14, 1981. In the 1950s, to protect China's first railway that runs through a desert, the city of Zhongwei embarked on a journey of desert mitigation. Scientists at the Shapotou Desert Research and Experiment Station, part of the Northwest Institute of Eco-Environment and Resources of the Chinese Academy of Sciences, along with local residents, developed straw checkerboards to stabilize the sand and prevent dunes from shifting. Tang Ximing, a senior engineer at a state-owned forestry farm in Zhongwei, crafted a steel tool that differs from regular shovels by featuring two horizontal bars at the front tip. This innovative tool enables the planting of seedling roots 50 centimeters deep into the moist sand layer. This simple tool increases the survival rate of afforesta