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Table 4 Nitrogen and phosphorus content in seven seaweeds

From: Culture of benthic diatom Nitzschia sp. with macroalgae carriers and its application as feed of juveniles Stichopus japonicus

Macroalgae P (mg/g) N (mg/g) Ratio of N and P
Ulva 4.397 33.187 16.713
Cladophora 4.712 25.020 11.757
Sargassum muticum 6.993 31.143 9.861
Degummed kelp 4.794 31.823 14.699
Sargassum thunbergii 4.116 41.349 22.244
Cystophyllum 5.712 66.855 25.917
Zostera marina 6.520 41.685 14.157