The effects of three nitrogen sources(NaNO3、NH4Cl and NaNO2) and different N/P ratios on the growth of Prorocentrum donghaiense were investigated.Results showed that all three nitrogen sources can be utilized by P.donghaiense.The optimum N/P ratio of P.donghaiense was 8 when NH4Cl was the nitrogen source,and the growth was limited when N/P ratio was over 20.The optimum N/P ratio for NaNO3 was 12,and the figure for NaNO2 was 16.The results revealed that the optimum N/P ratio for all three N sources was between 8～20,and relatively higher N/P ratio(32 and 100) would limit the growth of the algae.
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OU Mei-shan, Lü Song-hui. Effects of different inorganic nitrogen sources on the growth of Prorocentrum donghaiense. , 2006, 25(1): 28-31.
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