Response of Nutrient Accumulation Characteristics and Nutrient Strategy of Myriophyllum spicatum L. under Different Eutrophication Conditions
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Graphical Abstract
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Abstract
From May to September in 2003, Myriophyllum spicatum L.was cultured in three (waters) with different degrees of eutrophication(the eutrophic conditions were water 1M.spicatum contents phosphorus 3).The 24-N content in water 1 and water 2 was similar.Phosphorus content in tissues in low eutrophic water 1 was higher than that in water 2.But in hypereutrophic water 3,phosphorus content in leaves was higher than that in (eutrophic) water 1 and 2,which was due to the absorbed phosphorus by different organs were not allocated to each organ at the same ratio.R∶S ratios of M.spicatum showed no significant difference among different (eutrophic) water 1,2 and 3 for the same rich sediment.
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