Effects of Bio-organic Selenium on Agronomic Economic Traits and Selenium Absorption and Distribution in Rice

Xiaoling Long, Duanwu Cai, Jinlong Liu and Wei Zheng

Asian Agricultural Research, 2018, vol. 10, issue 12

Abstract: Under the same conditions of selenium application and application period, different application concentration treatments were set carry out the field plot experiments. The results showed that different treatments had no effect on the growth and development of rice plants; different treatments had an effect on the economic traits of rice; selenium treatment increased the number of filled grains per panicle, seed setting rate and 1 000-grain weight, thus increasing yield; the level of yield was Se4 > Se3 > Se2 > Se1 > Se0; different treatments had a greater effect on the milled rice rate; selenium treatment increased the milled rice rate; the milled rice rate of Se3 and Se4 treatments were 65% and 64%, respectively, which was significantly higher than that of the control group; the general law of selenium absorption of rice was leaf > stem > rice; the selenium content in leaves, stems and rice of different treatments was the highest in Se3 treatment; both the selenium content of rice (total selenium and organic selenium) and the ratio of organic selenium to total selenium in the selenium treatment met the local food safety standard of Hubei Province Selenium content of Selenium-enriched Foods (DBS42/002-2014); selenium-treated rice plants had a high selenium utilization rate, in the range of 51.26%-64.12%, exceeding 50%.

Keywords: Agribusiness (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:ags:asagre:282554

DOI: 10.22004/ag.econ.282554

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