Characteristics of selenium in crops and roots in China and recommendations for selenium-enriched soil standards
Xiao-Meng CHENG1,2,3,4, Rong-Rong MA1,2,3,5, Min PENG1,2,3,5, Ke YANG1,2,3, Kuo LI1,2,3,5, Hui-Yan WANG1,2,3, Chao WU1,2,3,4, Zheng YANG1,2,3
1. Institute of Geophysical & Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China 2. Research Center of Geochemical Survey and Assessment on Land Quality, China Geological Survey, Langfang 065000, China 3. Key Laboratory of Geochemical Cycling of Carbon and Mercury in the Earth's Critical Zone, CAGS, Chinese Academy of Geological Sciences, Langfang 065000, China 4. UNESCO International Center on Global-scale Geochemistry, Langfang 065000, China 5. School of Earth Sciences and Resources, China University of Geosciences (Beijing), Beijing 100083, China
Selenium (Se) in plants is mainly derived from soil, and plants can be used not only to alleviate the problem of selenium deficiency, but also to manage environmental selenium toxicity. On the basic of 6 917 co-samples of soil and rice, 1 489 co-samples of soil and wheat, and 1 816 co-samples of soil and corn seed, the Selenium concentration in selenium-enriched soil was 0.22×10 -6≤w(Se)<3.0×10 -6 for rice producing areas, 0.31×10 -6≤w(Se)<1.0×10 -6 for wheat planting area, and 0.94×10 -6≤w(Se)<4.91×10 -6 for corn planting area. It is of great significance to the scientific utilization of selenium-enriched soil resources and the development of selenium-enriched agricultural products.
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Xiao-Meng CHENG, Rong-Rong MA, Min PENG, Ke YANG, Kuo LI, Hui-Yan WANG, Chao WU, Zheng YANG. Characteristics of selenium in crops and roots in China and recommendations for selenium-enriched soil standards. Geophysical and Geochemical Exploration, 2019, 43(6): 1367-1372.
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