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Enteromorpha is the green alga most people meet without realising it. In summer it forms…

  Two southern-hemisphere kelps appear repeatedly in seaweed fertiliser literature. They are Ecklonia maxima vs…

Sargassum is the raw material that looks free and is not. It washes ashore in…

Ascophyllum nodosum is the species most biostimulant manufacturers name on the label, and for once…

Seaweed — macroalgae — is one of the oldest resources in agriculture. It is also…