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Soil selenium contents, spatial distribution and their influencing factors in Heilongjiang, China

机译：黑龙江土壤硒含量，空间分布及其影响因素

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Selenium is unevenly distributed on the surface of the earth. Ure and Berrow (1982) reported a Se concentration range of 0.03-2.0 mg/kg and a mean of 0.40 mg/kg for 1623 soils throughout the world. In China Tan and Zhu (2002) suggested that there existed a low Se disease belt from northeast to southwest with a Se content range of 0.022-3.806 mg/kg. Heilongjiang Province is the national base for the major commodity grain in China, which just lies in the starting end of low Sebelt. Until now, knowledge on the soil Se content at different regions or in soils in Heilongjiang Province are not well documented. The specific objectives of this study were to (1) evaluate the total Se content in soils collected from all parts of Heilongjiang Province, and (2) investigate factors in related to the physio-chemical properties of the soils.
机译：硒在地球表面上不均匀地分布。 Ure和Berrow（1982）报道了0.03-2.0 mg / kg的SE浓度范围，平均为世界各地的1623个土壤0.40mg / kg。在中国谭和朱（2002）建议，从东北到西南部的低SE病带，SE含量范围为0.022-3.806 mg / kg。黑龙江省是中国主要商品粮食的国家基础，这恰好在于低培根的起始结束。到目前为止，关于不同地区或黑龙江省土壤中的土壤硒含量的知识并没有充分记录。本研究的具体目标是（1）评估从黑龙江省各地收集的土壤中的硒含量，（2）调查与土壤的物理化学性质有关的因素。

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