The Correlation between Nitrogen Phosphorus Nutrients and the Growth of Microcystis Aeruginosa

The correction of nitrogen phosphorus nutrients and the Microcystis aeruginosa biomass were studied by setting the different concentration of nitrogen and phosphorus, different nitrogen sources and the ratios of nitrogen and phosphorus. The results shown that the optimal nitrogen source on the growth of Microcytis aeruginosa NaNO3, Miccrocystis aeruginosa could adapt to a low N environment. Phosphorus is the limiting factor in the growth of Microcystis aeruginosa that can not survive at the absence of P in the environment. The optimal ratio of nitrogen to phosphorus is 50:1. Glycine as the Microcystis aeruginosa nutrient grew slowly at prior period and it grew rapidly later, which is similarity to the water eutrophication and the algae outbreak.