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硒是人体健康不可或缺的重要营养元素。硒缺乏会导致人及动物多种疾病，植物硒是供应人和动物硒的主要来源。尽管至今还不能确切阐明硒在植物营养上的功能，但从人体健康出发，研究植物硒的行为及不同植物类型、不同作物品种积累硒的差异已引起广泛关注。1993～1996年选用南方
Selenium is an essential nutrient for human health. Selenium deficiency can lead to a variety of human and animal diseases, plant selenium is the main source of supply of human and animal selenium. Although the function of selenium on plant nutrition has not been elucidated yet, it has been widely concerned that the study on selenium behavior and plant types of different plant species from the perspective of human health. 1993-1996 selection of the South