Characteristics of Topsoil Available Trace Elements with Different Textures
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    Abstract:

    [Objective] To study the characteristics of topsoil available trace elements in different soil textures, for establishing reasonable fertilization scheme of farmland soil and improving the utilization rate of soil nutrient resources.[Methods] The topsoil(0-20 cm) of different soil textures in Kuqa County were sampled and the trace elements in it were measured. The characteristics of topsoil available trace elements in different soil textures were analyzed statistically.[Results] (1) The contents of available trace elements in the loam, sandy loam, clay, clay loam and sand soils were significantly different(p<0.05). And the contents of available trace elements in the loam and sandy loam were relatively higher than the contents of others; (2) The comprehensive effectiveness index of soil trace elements ranked as:sandy loam(1.51) >sand(1.44) >clay(1.42) >loam(1.41) >clay loam(1.27); (3) Soil organic matter and soil available trace elements had an extremely significant correlation (p<0.01), pH value was significantly correlated with the effective copper and manganese (p<0.05).[Conclusion] For all of the different soil textures, the contents of trace elements iron and zinc were more lack, the contents of manganese and copper were relatively more abundant. Consequently, scientific management and reasonable fertilization should be carried out according to the available trace elements in different lands.

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王雪梅,柴仲平,毛东雷.不同质地耕层土壤有效态微量元素含量特征[J].水土保持通报英文版,2015,35(2):189-192

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History
  • Received:March 26,2014
  • Revised:April 13,2014
  • Adopted:
  • Online: April 05,2016
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