陕西关中富硒土壤研究及开发利用——以三原—阎良地区为例

doi:10.11720/wtyht.2021.2546

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Abstract

Through the sampling and analysis of soil and crops in Sanyuan-Yanliang area, it is found that the soil environment in the study area is generally clean.The medium-rich selenium soil accounts for 94.62% of the total survey area, selenium-rich soil is widely distributed and has the basic soil conditions for the development of selenium-rich crop. It has the basic soil conditions for developing selenium-enriched foods. For the analysis of crop products, it can be seen that the bulk crops are selenium-rich crops, and the selenium-enriched level is relatively stable. Some vegetables have also reached the standard of selenium-enriched vegetables. The selenium in crops has a good correlation with soil selenium. The correlation coefficient between the selenium content of corn and that of root soil is 0.788, and the correlation coefficient between the selenium content of wheat and that of root soil is 0.612. Hence the study area has a future for the development of selenium-enriched industries. Guanzhon is suitable for vigorously promoting the cultivation of selenium-enriched crops and vegetables as an important food and vegetable. The production area has great potential for the development of selenium-enriched crops. It is recommended to select demonstration sites to carry out selenium-enriched planting work, and to focus on building a group of selenium-rich grain and vegetable industry bases so as to provide a scientific basis for the development and utilization of selenium-rich resources in Guanzhong, Shaanxi Province, thus supporting the rural revitalization strategy and the precise poverty alleviation battle.

Key words： Sanyuan-Yanliang area selenium-rich soil selenium-rich crop development and utilization rural revitalization

Received: 19 November 2019 Published: 01 March 2021

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	Articles by authors
	Xin-Xing QIAO
	Xu CHAO
	Rui REN
	Ji-Jun ZHANG
	Kui HU
	Ao-Rui LI
	Zhi-Ming ZHANG

Cite this article:

Xin-Xing QIAO,Xu CHAO,Rui REN, et al. Research, development and utilization of selenium-rich soil of Shaanxi:A case study of Sanyuan-Yanliang area[J]. Geophysical and Geochemical Exploration, 2021, 45(1): 230-238.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2021.2546 OR https://www.wutanyuhuatan.com/EN/Y2021/V45/I1/230

Location map of the study area

Statistics on soil fertility in Sanyuan-Yanliang area

Results of soil environmental quality assessment in Sanyuan-Yanliang area

Comprehensive evaluation map of soil environmental quality in Sanyuan-Yanliang area

Statistics of Se element content in soil in Sanyuan-Yanliang region

Statistics of selenium-rich content and selenium-rich rate of crops

Average value of selenium content in various vegetables in Sanyuan-Yanliang area

Statistics of soil selenium and plant selenium content

The relation of selenium contents in corn and wheat grains with its contents in soils

The correlation coefficient between corn and wheat grains with its contents in soils

Statistics of selenium speciation in surface soil

Statistics of heavy metal elements contents in crops

Spatial planning for the development and utilization of selenium-rich land in Sanyuan-Yanliang area

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