MAKE SEA­WEED FER­TILISER

NZ Gardener - Garden Diary 2018 - - Great Veges -

Give your plants a boost with some home­made sea­weed fer­tiliser. Take a trug to the beach and col­lect sea­weed from the high-tide line, then take it home and rinse off the sand and ex­cess salt. If what you’ve gath­ered is tough and dry from days spent bak­ing in the sun, take out your spade and chop it into smaller pieces to help speed up de­com­po­si­tion. You can also run your lawn­mower over those bits to re­duce the size even fur­ther. Avoid dam­age to your mower blades by re­mov­ing the hold­fast (the an­chor­ing root struc­ture that glues the kelp to the sea floor), as it’s hard and of­ten con­tains stones. Place sea­weed in a bar­rel or large lid­ded bucket and cover with wa­ter. Leave for a few weeks to break down, then strain, di­lute with fresh wa­ter and spray on plants.

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