Farming9 min read
Seaweed as Animal Feed: From Coastal Tradition to Methane Science
Seaweed has fed coastal livestock for centuries. Now it's also a methane-cutting feed additive. What the science supports, species by species.
Dr. Theo Nakamura ·
Seaweed Farming
Practical aquaculture knowledge — longline design, seed stock, siting, harvest timing and integrated multi-trophic systems.
173 articles
Farming9 min read
Food Safety for Seaweed Farms: Testing for Metals, Iodine and Pathogens
What to test, when to test it and how to read the lab report: a practical guide to heavy metals, iodine, microbes and compliance testing for edible seaweed.
Naomi Reyes ·
Farming9 min read
Harvest Logistics: Weather Windows, Landing and the First Six Hours
A kelp harvest is won or lost in logistics: weather windows, crew and crane slots, landing hygiene and the critical first six hours. An operations manual for seaweed farms.
Naomi Reyes ·
Farming11 min read
Harvest Methods in Kelp Farming: Blades Up, Regrowth Down
Whole-line stripping, partial blade cutting, selective hand harvest and mechanical methods — how each kelp harvest method trades yield, regrowth and quality.
Jack Callum ·
Farming9 min read
From Boat to Box: Post-Harvest Handling That Keeps Kelp Worth Eating
Dockside post-harvest handling for food-grade kelp: deck discipline, seawater washing, sorting, blanching, salting and pack-out that protect texture, colour and flavour.
Naomi Reyes ·
Farming9 min read
Grading Seaweed: Moisture, Ash, Colour and What Buyers Test
Seaweed grades are built on a handful of tests — moisture, ash, contaminants, colour and sensory score. Learn what buyers measure and how to grow and handle for top grade.
Naomi Reyes ·
Farming9 min read
Seaweed Traceability and Certification: Labeling the Farmed Ocean
Buyers increasingly ask where kelp came from, who grew it and how. How seaweed traceability and voluntary certification work — and what records a farm should keep.
Naomi Reyes ·
Farming9 min read
What Is a Tonne of Kelp Worth? Seaweed Value Chains and Pricing Explained
Farm-gate price, wet-to-dry ratios, grade premia and buyer margins — an honest, number-first walk through how a tonne of kelp is actually priced, step by step.
Naomi Reyes ·
Farming9 min read
Seaweed Yield Benchmarks: What a Hectare Should Produce
Realistic seaweed yield ranges by species — wet vs dry, per metre vs per hectare — why quoted numbers vary so wildly, and how to benchmark your own farm.
Naomi Reyes ·
Farming12 min read
Quarantine at the Hatchery Gate: Biosecurity for Kelp Seedlings
The seaweed hatchery is the farm's biosecurity front line. Intake quarantine, screening methods, health certificates, and the seedling protocols that protect farms and reefs.
Naomi Reyes ·
Farming10 min read
Selling Your Seaweed: Buyers, Grades and Honest Pricing
Who actually buys farmed kelp, how buyers grade and price it, what contracts look like, and how to avoid the most common — and expensive — selling mistakes.
Naomi Reyes ·
Farming10 min read
Adding Kelp to a Shellfish Farm: The Two-Line Upgrade
A practical layout and timing guide for mussel and oyster farmers adding kelp longlines — spacing, intercropping, nutrient balance, harvest sequence and the honest economics.
Naomi Reyes ·
Farming9 min read
Starting Small: What a Half-Hectare Kelp Farm Really Looks Like
A concrete, season-long picture of a half-hectare kelp farm: layout, gear, hours, yields and honest numbers — the smallest size that still teaches you everything.
Naomi Reyes ·
Farming8 min read
Sea Lettuce (Ulva) Farming: Fast, Fussy and Full of Promise
Ulva grows faster than almost any farmed seaweed and cleans up nutrient pollution — but it sporulates, frays and defies handling. A practical farming guide.
Naomi Reyes ·
Farming11 min read
Seaweed Inside the Wind Farm: Multi-Use at Sea, Examined
Offshore wind farms look like obvious homes for seaweed aquaculture. We examine the real overlap — safety zones, mooring loads and the economics of co-location.
Naomi Reyes ·
Farming9 min read
Winter Work at the Seaweed Farm: The Quiet Season's Other Half
Between harvest and outplant, a seaweed farm's real off-season work is paperwork, data and planning — leases, finances, markets and seed contracts, done before autumn.
Naomi Reyes ·
Farming10 min read
Workboats for Seaweed Farms: What the Crew Actually Uses
From 5-metre skiffs to crane barges: how to choose, equip and use a workboat for a kelp farm — propulsion, deck layout, lifting gear and the mistakes that cost seasons.
Naomi Reyes ·
Farming9 min read
Managing Biofouling on Kelp Longlines: Prevention, Timing and Triage
How to keep fouling organisms off your kelp crop and gear: what fouls longlines and when, depth and timing tactics, cleaning methods, and harvest triage.
Naomi Reyes ·
Farming9 min read
Choosing a Seaweed Farm Site: Depth, Current, Exposure and Neighbours
How to evaluate a seaweed farm site: the physical criteria that decide your crop, the water quality checks, and the social map of neighbours and rules.
Naomi Reyes ·
Farming8 min read
Growing Kombu: Lessons from Japanese Aquaculture
Kombu farming is a century-old Japanese craft: forced cultivation, floating rafts, staggered harvests and sun-drying discipline, explained for growers.
Naomi Reyes ·
Farming11 min read
Growing Sugar Kelp: A Species-Specific Farming Guide
How to grow sugar kelp (Saccharina latissima) from spores to harvest — site choice, seeding windows, grow-out depth, and the winter timing that makes this crop work.
Naomi Reyes ·
Farming9 min read
Harvest Timing: When Kelp Biomass and Quality Peak
When should you harvest kelp? How the biomass-versus-quality trade-off works, species-by-species seasons, and the sampling routine that catches the peak.
Naomi Reyes ·
Farming10 min read
Hatchery Water Chemistry: The Numbers Behind Healthy Kelp Seed
The working numbers of a kelp hatchery — temperature, salinity, pH, nutrients, filtration and dosing math — and what to do when each one drifts.
Naomi Reyes ·
Farming10 min read
Designing an IMTA System: Nutrient Budgets, Species Pairings and Layout
A design guide for integrated multi-trophic aquaculture: the nutrient mass balance, how to pair fish, shellfish and seaweed, and how to lay out the water.
Naomi Reyes ·