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Academic Journal of Agricultural Sciences, 2021, 2(4); doi: 10.38007/AJAS.2021.020405.

Effects of Exogenous Selenium on Selenium Absorption and Transformation in Macadamia


Salvatore Gaglio

Corresponding Author:
Salvatore Gaglio

Free University of Berlin, Germany


At present, as a high-end snack, macadamia nuts have a variety of beneficial effects on human health, such as preventing cardiovascular disease, preventing diabetes, maintaining weight, etc., its rich nutritional value and health care functions have attracted more and more attention. In this paper, four different treatments were performed on the same type of macadamia through field experiments, and they were sprayed with different concentrations of exogenous selenium fertilizer. Based on the selenium content, the effects of macadamia nuts on selenium absorption and conversion were studied. . The test results showed that when the selenium fertilizer was diluted to 100-fold concentration, the selenium content of the sample plant increased by 107.4%, and the yield increased by 23.8%. When the selenium fertilizer was diluted to 200-fold concentration, the selenium content of the sample plant increased by 100.0%, and the yield It increased by 25.7%. When the selenium fertilizer was diluted to 300 times concentration, the selenium content of the sample plants increased by 55.6%, but the yield decreased by 1.0%, indicating that the appropriate concentration of selenium fertilizer has a certain effect on improving the selenium content and efficiency. Comparing the four treatments, it can be found that exogenous selenium can increase the yield of macadamia nuts, and its output will increase first and then decrease with the increase of the dilution factor and concentration, and the best dilution effect is 200 times.


Exogenous Selenium, Macadamia Nuts, Selenium Absorption and Conversion, Selenium Content

Cite This Paper

Salvatore Gaglio. Effects of Exogenous Selenium on Selenium Absorption and Transformation in Macadamia. Academic Journal of Agricultural Sciences (2021), Vol. 2, Issue 4: 54-67. https://doi.org/10.38007/AJAS.2021.020405.


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