J4 ›› 2012, Vol. 47 ›› Issue (3): 5-9.

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Soil geochemical elements in the Yutai high quality rice base

ZHOU Juan1, WANG Ren-qing2, GUO Wei-hua2*, WANG Qiang2, WANG Wei2,   

  1. 1. Center for Disease Prevention and Control of Jinan Military Command, Jinan 250014, Shandong, China;
    2. School of Life Sciences, Shandong University, Jinan 250100, Shandong, China;
    3. Shandong Geological Survey Institute, Jinan 250013, Shandong, China;
    4. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, Shandong, China
  • Received:2011-07-14 Online:2012-03-20 Published:2012-04-01

Abstract:

In this study,  geochemical elements were investigated in the Yutai high quality rice base, which is one of the typical agricultural products bases in Shandong Province, China. The soil geochemistry was investigated through 28 chemical elements, such as pH, C(org), As, B, Cd, Co, Cr, Cu, F, Hg, Mn, Mo, Ni, P, Pb, V, Zn, Se, N, S, SiO2, Al2O3, Fe2O3, MgO, CaO, Na2O and K2O. The study of soil geochemical showed that the useful elements of N, P, K, B, Mo, Mn, Se, and Fe were enriched in the Yutai high quality rice base soil. However, some heavy and toxic elements, such as As, Cd, Hg, and Pb were obviously enriched in the surface soil. The contents of As,B,Co,Cr,F,Mn,V,S,Al2O3,TFe2O3,MgO, and CaO in the submerged paddy soil (SPS) were obviously greater than in the fluvoaquic soil (FAS), but SiO2 and Na2O were obviously lower in the FAS. The contents of C(org) and moisture in the SPS were obviously higher than in the FAS. The results showed that the SPS was apt to be acidified.

Key words: soil; geochemical elements; submergenic paddy soil; fluvo-aquic soil; principal component analysis; Yutai

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