Sargassum may be seen as a plague by the tourism industry, but it could soon become a source of revenue and a surprising solution, using the sargassum as a cheaper natural organic fertilizer. Process Converts Sargassum Seaweed into Biofuel and Fertilizer. Algas Organics was founded that same year, with the vision of developing world class agricultural products from this invasive species, whilst minimizing impact on livelihoods. After using the compost tea, you can reuse the seaweed several times with fresh water, then put the seaweed in the compost or use on your garden. There are moves to begin exploring and researching whether Sargassum can be used safely as fertiliser in the agriculture sector, as beaches around Tobago continue to be plagued by the seaweed. Harvest Seaweed in the Spring and Use It as Fertilizer in the Autumn. Seaweed fertilizer contains an abundance of fully chelated (ready to use) micro-nutrients which can be readily absorbed by plants without any further chemical decomposition needed. Helps lighten the soil Compacted soil can benefit as seaweed mulch breaks down. It can be used to build up dunes and beaches to combat the threat of beach erosion. So happy to read about the various uses sargassum can offer from fertilizer to blocks for building. incalculable tons of invasive Sargassum seaweed have washed up on beaches across the Caribbean, disrupting the livelihoods of fishermen and coastal communities. It is increasingly being used as fertilizer and … For example in a more tropical climate like the Philippines, large quantities of Sargassum have been collected, used wet locally, but also sun dried and transported to other areas. Form windrows (heaps) of 50 to 100 cm maximum height in a low point of the garden and wash it to get rid of sea salt. Sargassum is an excellent medium for use as landfill. Eastern Caribbean countries such as Guyana, Barbados, and Saint Lucia also are using sargassum as a fertilizer, with the latter using it for export. Sargassum also has incredible potential to save money for islands’ agriculture sector. However, my total amazement, I also found a possible application for this seaweed: the manufacture of a bio-degradable plastic. These chemicals release sugars from the seaweed, that can be used to feed a special … Tobago’s Sargassum Response Committee has developed a project, which will involve extensive research into the safety of Sargassum for agriculture use. Harvest brown algae in April-May on the beach. Similar practices can be reported for many countries around the world. On a larger scale, use a net onion bag or a porous sack to hold seaweed and put it in, or tie it to hang in a larger barrel or rubbish bin of water. Fucus and laminaria are large, thick brown algae that need to be composted before spreading. Sargassum seaweed is growing out of control in many regions – it washes up on beaches in huge amounts. Historically, it has been used in traditional Chinese medicine, is used as a source of iodine used to treat thyroid disorder, used as a diuretic, and is a great fertilizer. The seasonality of sargassum will affect the product’s availability, but other organic waste such as cane and cassava trash will be used as a substitute in the feed in the meantime.
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