关键词: 土壤硒, 有效硒, 富硒, 运转, 形态转化

Abstract: Selenium (Se) is an essential trace element for animals and human, and also a beneficial element for plant growth and development. With the development of peoples living standard, Se-enriched agricultural products have received increasing attention, furthermore, the research on the absorption and utilization of Se in crops and rational application of Se fertilizer has been promoted. Based on a review of the research progress, the determination methods of available Se in soil, and plant Se absorption, speciation, transformation and their influencing factors were summarized systematically. Finally, the further research direction was prospected.

Key words: soil selenium, effective selenium, selenium enriched, transportation, speciation transformation