结果：荞麦茎中铜、铁、锌、锶、硒、锰、砷、镉均高于叶和花；荞麦叶中钙、铅、汞明显高于茎和花。
Results: The contents of Cu, Fe, Zn, Sr, se, Mn, As, Cd in stems were all higher than those in leaves and flowers of buckwheat.
结果：荞麦茎中铜、铁、锌、锶、硒、锰、砷、镉均高于叶和花；荞麦叶中钙、铅、汞明显高于茎和花。
Results: The contents of Cu, Fe, Zn, Sr, se, Mn, As, Cd in stems were all higher than those in leaves and flowers of buckwheat.
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