Background. The decline of submerged plant populations due to high heavy metal (e.g., Cu) levels in sediments and ammonia nitrogen (ammonia-N) accumulation in the freshwater column has become a significant global problem. Previous studies have evaluated the effect of ammonia-N on submerged
We investigated the growth and physiological responses of the submerged aquatic plant species Vallisneria natans (Lour.) Hara to 80 mg Lp>-1p> manganese (Mn) with different doses of ascorbic acid (AsA 0, 5, 10, 20, 50, 100, 200 mg Lp>-1p>) after 21 days of treatment. Mn stress
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