EFFECTS OF AERATION ON ARSENIC AND ITS SUBSEQUENT EFFECTS ON GROWTH AND MACROELEMENTS OF RICE
نویسندگان
چکیده
Effects of aeration on arsenic (As) and its subsequent effects rice growth (Oryza sativa L. cv. Akihikari) macroelements (P, K, Ca Mg) were investigated in hydroponic condition. The treatments control (T1), (T2), 1 ppm As (T3) + (T4). Arsenic was added as sodium meta-arsenite (NaAsO2). Plants grown up to 21 days after (DAT) greenhouse. After harvesting, roots shoots dried digested separately with H2SO4-H2O2 mixture for measuring P, Ca, Mg As. In T3, P concentration more (9.67 mg g-1) compared that (1.47 reference T1 (7.47 (2.13 g-1), respectively. Potassium less T1. T4, K increased only T3 but still lowered than T2 treatments. both T1, There no significant difference between T4 accumulations shoots, indicated did not have any role As-toxicity reduction this experimental system. treatments, translocation change translocation. root almost 20 14 times without aerated conditions,
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ژورنال
عنوان ژورنال: Khulna University studies
سال: 2022
ISSN: ['1563-0897', '2789-2697']
DOI: https://doi.org/10.53808/kus.2008.9.2.0842-l