During 2008-2009, a pot experiment was conducted using ;Loamy sandy soil as growth medium for lettuce (Actuca sativa var . Grtelit) , tomato (Lycopersican esculentum var . Hagein Master 100) , radish (Raphanus sativus var .Indiaradish) and strawberry (Tioga) to study the differences between some plants in selenium accumulation from supplementation soils with selenium .The plants for each crop examined were divided into five treatment groups, each with four replicates : (1) without selenium addition (2) each plant received a total of 2.0mg of an inorganic selenium per kg of soil. (3) each plant received a total of 2.0mg of an organic of selenium per kg of soil (4) each plant received a total of 30mg of an inorganic of selenium per kg of soil , and (5) each plant received a total of 30mg of an organic of selenium per kg of soil . Also , in the laboratory studied of the effect of selenium on seed Bioassays .Concentrations of 0,10,25,50,100 and 200ppm were used in the bioassays . The obtained results revealed that increasing selenium levels decreased the fresh weights for the four plants tested Statistically significant differences in appetence, plant production, and fresh weights of the plant produced were studied. Next, the amount of selenium retained in the edible plants, no edible plant, and soil for each was analyzed by acid digestion followed by hybride generation atomic absorption analysis. Finally, inhibition effects on the seeds of the addition with an inorganic form of a maximum of 95% retained in the edible portion of lettuce plants.
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Ahmed, H. (2010). Differences between some plants in selenium accumulation from supplementation soils with selenium. Agriculture and Biology Journal of North America, 1(5), 1050–1056. https://doi.org/10.5251/abjna.2010.1.5.1050.1056