Innovative tool and technology contribute to sand control in NW China

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 20240616a71ea3a6c2874366abfc0309de6ad1f3

An aerial drone photo taken on May 30, 2024 shows workers paving straw checkerboards in the Tengger Desert, in Zhongwei of northwest China’s Ningxia Hui Autonomous Region.

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 afforestation by 25 percent to over 85 percent. It has been widely promoted and used in afforestation projects across other regions in northern China.

In 2019, an enhanced version of straw checkerboards that can be mass-produced using machinery was developed, extending the service life of these sand barriers.

Through persistent efforts spanning several decades, Zhongwei has reclaimed 1.5 million mu (about 100,000 hectares) out of its total 1.68 million mu of desert through afforestation. This endeavor has expanded its vegetation coverage from less than 1 percent to 42 percent at present, effectively pushing back the Tengger Desert by 25 kilometers. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 2024061633719041e3944eb98d78bf41c2d60a91

An aerial drone photo taken on May 29, 2024 shows straw checkerboards in the Tengger Desert, northwest China’s Ningxia Hui Autonomous Region. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 2024061616f479683cdd452b9e268c69c8e3e06f

Workers pave straw checkerboards in the Tengger Desert, in Zhongwei of northwest China’s Ningxia Hui Autonomous Region, May 30, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 202406162ab2437d6fcb4bfcb6c7366f27584f9f

An aerial drone photo taken on May 30, 2024 shows workers paving straw checkerboards in the Tengger Desert, in Zhongwei of northwest China’s Ningxia Hui Autonomous Region. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 20240616c8c6b82fd4c042a38f8e00d8913fab59

Tang Ximing, a senior engineer at a state-owned forestry farm in Zhongwei, demonstrates a precision seedling planter invented by himself in northwest China’s Ningxia Hui Autonomous Region, June 1, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 2024061646913ae20a044552a6ddc27bf4927f30

Workers pave straw checkerboards in the Tengger Desert, in Zhongwei of northwest China’s Ningxia Hui Autonomous Region, May 30, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 20240616911d688a93f24d52b7c9a8074f92d592

Workers pave straw checkerboards in the Tengger Desert, in Zhongwei of northwest China’s Ningxia Hui Autonomous Region, May 30, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 2024061679ea91dfea8541afa5316b8b7abec9b1

Workers pave straw checkerboards in the Tengger Desert, in Zhongwei of northwest China’s Ningxia Hui Autonomous Region, May 29, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 202406165965d44cefef4389afb2ce7456bbcc08

Workers carry straw checkerboards in the Tengger Desert, in Zhongwei of northwest China’s Ningxia Hui Autonomous Region, May 30, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 20240616cc7ab1e5410d466ebcc55a2a2551cec2

A Kenyan Ph.D. candidate (1st L) of Peking University tries to set up a part of the straw checkerboard in the Tengger Desert, northwest China’s Ningxia Hui Autonomous Region, May 31, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 2024061661f4ca240fd54f9187111d2235b98a02

Workers pave straw checkerboards in Zhongwei, northwest China’s Ningxia Hui Autonomous Region, May 29, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 20240616b1456b5534d74b1eb8af2a2fa71cf249

Tang Ximing, a senior engineer at a state-owned forestry farm in Zhongwei, demonstrates an upgraded electric seedling planter invented by himself in northwest China’s Ningxia Hui Autonomous Region, June 1, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 20240616ca5d168a99a94e50b433566dc914bebb

Workers produce straw checkerboard materials in Zhongwei of northwest China’s Ningxia Hui Autonomous Region, May 29, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 2024061643a8e7e4aa344f8aa98991b4f107860d

A worker paves straw checkerboards in the Tengger Desert, in Zhongwei of northwest China’s Ningxia Hui Autonomous Region, May 30, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 20240616d463d42a8b31425f9d4985d274131e09

An aerial drone photo taken on May 30, 2024 shows workers paving straw checkerboards in the Tengger Desert, in Zhongwei of northwest China’s Ningxia Hui Autonomous Region. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 20240616a0454bae51194d15a8e96ffe85f9a362

The cyanobacteria soil crust is seen at Shapotou Desert Research and Experiment Station (SDRES) of the Chinese Academy of Sciences (CAS), in northwest China’s Ningxia Hui Autonomous Region, May 31, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 202406160e0801047cd8412584cae079b3ed84af

Workers pave straw checkerboards in the Tengger Desert, in Zhongwei of northwest China’s Ningxia Hui Autonomous Region, May 29, 2024. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 202406162c39dbfadb724a0aa9c99ccb29a673a4

An aerial drone photo taken on Dec. 29, 2021 shows a section of an express way protected by straw checkerboards from the sand in the Tengger Desert, northwest China’s Ningxia Hui Autonomous Region. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 2024061622fad45c6fc54d83b3f91e32883dc7f7

Workers set up straw checkerboards in Zhongwei, northwest China’s Ningxia Hui Autonomous Region, June 13, 2019. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 2024061622892d73824c431a9f30aa8d24d6ac91

An aerial drone photo taken on Sept. 7, 2020 shows workers paving straw checkerboards near a section of an express way in the Tengger Desert, northwest China’s Ningxia Hui Autonomous Region. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 202406160bc2bd5a1de4483abde81d551d85420e

Workers set up straw checkerboards in Zhongwei, northwest China’s Ningxia Hui Autonomous Region, June 13, 2019. (Xinhua/Feng Kaihua)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 202406160601261e285d44b2b40a4ad685618c8a

Workers set up straw checkerboards in Zhongwei, northwest China’s Ningxia Hui Autonomous Region, Sept. 24, 1994. (Xinhua/Liu Haifeng)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 20240616ba0839eee97d4195850c1b8304d1d3ed

Workers plant trees in straw checkerboards to protect the Baotou-Lanzhou Railway from sand in Zhongwei, northwest China’s Ningxia Hui Autonomous Region, April 25, 1979. (Xinhua/Chen Siyu)

20240616d9cdbe40db2d4385bd9fb3e5ad28f0ec 20240616bf0621dfdb574aee92a79fb0d69ccbb7

Organized by United Nations Environment Programme (UNEP), international delegates inspect straw checkerboards in Zhongwei, northwest China’s Ningxia Hui Autonomous Region, Oct. 14, 1981. (Xinhua/Chen Siyu)

Read More