Signal of change

Invasive seaweed refined as soil stimulant in New Zealand

Waikaitu, a New Zealand company, has developed a refined and concentrated seaweed biostimulant from the brown algae ‘wakame’ (Undaria pinnatifida).

Wakame is a non-native, invasive species of seaweed found in the Marlborough Sounds in the Tasman. When added to soil, a biostimulant assists and improves the nutrients in the soil, which in turn improves the health, strength and growth of plants and improves their nutrient content.

“This was a great opportunity to help solve two problems we have in the world – reduce the pressure on our marine ecosystem and to help build long term fertility in our soils” Alexander Pressman, CEO of Waikaitu, said.


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