黑麦幼苗试验进一步证明KH_2PO_4浸提有效态硒可以作为酸性土壤有效硒的指标。
The rye seeding test further has shown that the KH2PO4extractcd available Se for plant.
本文拟就土壤中硒的含量、形态、有效性影响因素、硒的保健作用和调节措施等方面作一综述。
The soil selenium content, form, availability, healthy effects and adjust measures were reviewed in this paper.
结果表明，水土流失和土壤吸附（含粘粒、矿物质等）可能是本研究地区影响硒有效性的主要因素。
The study shows that the main factors of effect on the Se effectiveness in the zone are probably water, soil loss and soil absorption (clay particles and minerals).
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