Yanchi

Two other stations—in Yanchi County, Ningxia, and Fengning County, Hebei— also study methods for rehabilitating and improving desertified rangeland.[…] A project on the control and rehabilitation of desertified lands in Yanchi County includes the monitoring of productivity of vegetation in 23 permanent sites (9 on sand land, 4 on lowland, 10 on high plateau); experimentation with rangeland improvement in different habitats, mainly drifting sands and degraded vegeta¬ tion; and the introduction of more than 40 species of forage plants to improve or control rangeland quality.

1992, “Gansu and Qinghai”, in Grasslands and Grassland Sciences in Northern China, Washington, D.C.: National Academy Press, →ISBN, →LCCN, →OCLC, page 165

Improved resource management has also been observed in the grassland protection of Yanchi county, located in the central region of Ningxia.[…]In order to protect the degrading grasslands, Yanchi county has forbidden grazing in grasslands since 2002 of which 5.5 million Mu were contracted out to households during 2002-03.

2011, “The Impact of Climate Change on Agriculture and Adaptation in China”, in Climate Change Challenges in the Mekong Region, Chiang Mai University Press, →ISBN, →OCLC, page 99

The new factory, which started operating on Tuesday last week, could be about to change that. Located inside a natural gas processing plant in Yanchi county, Ningxia, it is the first facility in China that can produce helium at a commercial scale, according to a statement from the Chinese Academy of Sciences, which designed and built it.

2020 July 28, Stephen Chen, “China opens first large-scale helium plant as it tries to reduce reliance on US imports”, in South China Morning Post, →ISSN, →OCLC, archived from the original on 27 Jul 2020, Science