【摘要】 阐述了土壤 -植物生态系统中硒的循环途径和影响土壤全硒含量的因素 ,对土壤硒的形态和转化以及影响土壤硒有效性的因素进行了概括 ,并提出了调节土壤 -植物生态系统硒平衡的措施。图 2 ,参 2 4。更多还原

【Abstract】 This paper discussed the cycling of selenium in soil plant ecosystem and the factors affecting the total content of soil selenium. The status and transformation of soil seleium and the factors affecting its availability were also summarized. Finally, the measures adjusting selenium balance in soil plant ecosystem were proposed.更多还原