21 counties in Guangxi found 2018 million mu of selenium-rich soil.

Xinhua News Agency, Nanning, December 29 (Reporter Zhu Lili) 28 in Nanning released the "Guangxi Land Quality Geochemistry Evaluation Report (2016)" shows that Guangxi in 21 survey and evaluation counties cumulative evaluation area of about 187,000 square kilometers, a total of 20.18 million mu of selenium-rich soil found, circled non-polluting soil 15.91 million mu.
2018 million mu of selenium-rich soil, distributed to varying degrees in 21 counties (cities, districts), including Nanning Wuming District, Jiangnan District, Qinbei District of Qinzhou City, Guigang City Tong District, Guest City Xingbin District and Guilin City, the distribution area of selenium-rich soil reached more than 80% of the total area of the evaluation area. The selenium-rich proportion of rice, peanuts, vegetables and other samples collected in the survey reached more than 60%, and more than 130 selenium-rich land development recommendation areas were circled. In addition, the soil environment in the survey and evaluation area was generally cleaner, with 15.91 million mu of non-polluting soil, accounting for 56.73 percent of the total area of the survey and evaluation area.
" Next, Guangxi will include high-quality selenium-rich land in the category of permanent basic farmland protection, scientific preparation of selenium-rich land and non-polluting land development and utilization planning, the development of high-yield, high-quality, efficient, ecological, safe modern agriculture. Zheng Jiezhong, deputy director of Guangxi Land and Resources Department, said.
, deputy director of Guangxi Agriculture Department, said that the investigation lasted nearly three years, the means of investigation rich and diverse, a total investment of 120 million yuan. Relevant departments in the region's three national basic farmland protection demonstration areas and 18 drought and flood protection and high standards of basic farmland construction demonstration counties (regions) carried out 1:5 million scale land quality geochemical evaluation work, survey and collection of various types of samples 226,000 pieces, access to high-precision analysis and testing of 24 elements indicators more than 5 million data, forming a 21 county evaluation report. At the same time, the basic geochemical database is also initially established, which provides a scientific basis for the quality and ecological management of land in Guangxi, the rational and sustainable utilization of land resources, and the development of selenium-rich agriculture and modern agriculture.
It is understood that in 21 counties (cities, districts) in the distribution of pieces, a larger area to carry out land quality geochemical evaluation, which is currently the most systematic organization in Guangxi, the most analytical elements, the highest investigation accuracy, the most stringent standards of professional investigation, but also the country's 1:5 million scale survey to date the widest range, the largest survey evaluation.