Ocean Leaves Liquid Seaweed Extract Ocean Leaves® Liquid Seaweed Extract is made using cold-processed, hand-harvested Irish seaweed. It can be used on fruit, vegetables, flowers, shrubs, trees and lawns. Induces yield increases, enhances plant health & plant quality Increases plant tolerance to, and recovery from abiotic stresses Enhances the plants ability to assimilate applied nutrients Improves soil structure and its moisture-holding capacity Promotes the growth of beneficial soil microorganisms Increases biotic stress resistance, reducing nematode infestation & pest population such as red spider mite and aphids