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Dr. Russell Sharp explores lamb's lettuce (Valerianella locusta) as an underrated hydroponic crop, highlighting its unique botanical lineage, high nutrient content, and suitability for cold or unheated systems where traditional lettuce and other warm crops struggle.
The episode covers practical benefits—reduced soil contamination, potential premium market value, and successful DWC trials—as well as challenges like delicate leaves, fungal susceptibility, bolting in heat, and the need for optimized nutrition and handling.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Ersatz crops
Tim Davie
Deborah Turness
Samir Shah
Host Dr. Russell Sharp discusses Eli Lilly's recent purchase of a greenhouse site in Katwijk, Netherlands, and explores possible links to botanical sourcing and GLP‑1 weight‑loss drugs. He outlines how the $3 billion investment raises questions about future use, including pharmaceutical manufacturing, botanical ingredients, and impacts on horticulture.
The episode also touches on historical examples of plant‑derived medicines, the Nagoya Protocol on sharing benefits from genetic resources, and the wider implications for food demand and greenhouse agriculture. Tune in to hear the latest developments and what to watch for next.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Wegovy (also semaglutide, approved for weight loss), Mounjaro and Zepbound (tirzepatide, a dual-action drug), and Saxenda (liraglutide)
Type 2 diabetes
Whoopi Goldberg, Charles Barkley, Amy Schumer, Serena Williams, Oprah Winfrey, and Elon Musk
Dr. Russell Sharp discusses cold root stress in hydroponics, how it causes desiccation and nutrient uptake problems, and practical mitigations like raising plants or grafting.
He reviews new research showing increased plant sterols can boost cold tolerance in tomatoes, and teases a follow-up story about Eli Lilly buying a Dutch greenhouse.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Univerity of Barcelona
Dr. Russell Sharp reviews two recent failures in soilless agriculture: Swiss aeroponics firm CleanGreens went bankrupt after a promised CHF 50M investment failed to materialize, and Growy Singapore—an 8,000 m² vertical farm taken over from a US operator—entered liquidation within a year due to high costs and insufficient local investment despite government support.
The episode looks at what went wrong, the impact on employees and technology, and notes Growy's Amsterdam site remains operational. Tune in for a concise breakdown and a preview of tomorrow’s episode on a cold-tolerant tomato variety.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Dr. Russell Sharp examines whether warm‑climate perennials like avocados can be grown economically indoors in cold countries. He reviews a Norwegian research trial using waste heat, cheap hydroelectric power, LED greenhouses, and micropropagation to produce local avocados, and discusses pollination, growth timelines, and energy costs.
The episode weighs the trade-offs between long production times and local quality/supply benefits, shares practical hydroponic lessons, and invites listeners to share unusual crops they’ve grown.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Yara
Oslo
Jonas Gahr Støre
Erna Solberg
Jens Stoltenberg
Erling Haaland
Martin Ødegaard
Ole Gunnar Solskjær
John Arne Riise
Svalbard
Agrinos
Nobel Prize
Jo Nesbø
Edvard Munch
Dr. Russell Sharp exposes claims that fertilizers contain 60–90+ elements, showing many listed elements are impossible, radioactive, or toxic and explaining that plants only need a small set of essential nutrients.
He evaluates sea-mineral and rock dust products, warns listeners to question extravagant element lists, and urges asking manufacturers to provide an exact element breakdown.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Dr. Russell Sharp examines Sensai Farms, Larry Ellison’s high‑profile hydroponic project in Hawaii, funded with hundreds of millions but hampered by cost overruns, design flaws, failing AI and robots, and unreliable power systems.
The episode covers how these problems drove up production costs, affected local access to affordable produce, and forced Sensai to pivot from large‑scale growing to licensing its technology, raising questions about tech solutions in agriculture.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Tony Blair
Sadiq Khan
Nigel Farage
Kemi Badenoch
Dr. Russell Sharp highlights the eye-catching new pumpkin variety "Thriller": a dual-purpose edible and decorative squash with orange interior and green-striped exterior, set for commercial release in 2026.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Halloween pumpkins
Squashes and gourds
Hampton Court Flower Show
Soil Ninja
The Plant Rescuer
Tony Le Briton
Dr. Russell Sharp explains why plants like rhododendrons and other ornamentals sometimes flower in autumn — a phenomenon called precocious flowering caused by stress or unseasonal warmth. He outlines how this early bloom reduces spring displays and can ruin fruit crops.
The episode discusses implications for hydroponic and indoor growers (especially strawberries and perennial crops), the need for cold treatment in some species, and practical considerations for vertical farming and controlled environments.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Azalea
Camellia
Hydrangea
Skimmia
Pieris
Skimmia
Vaccinium
Hosta
Heuchera
Astilbe
Japanese Maple Acer palmatum acer japonicum
Leonardslee Lakes
Borde Hill Garden
Sheringham Park
Botanischer Garten Bremen
Alan Titchmarsh
Chris Beardshaw
Sarah Raven
Nigel Dunnett
Joe Lamp’l
Costa Georgiadis
Peter Cundall
Kazuyuki Ishihara
Frank Ferragine
Louis Benech
Capability Brown
Gertrude Jekyll
Vita Sackville-West
Christopher Lloyd
Chelsea Flower Show
Roy Lancaster
Dr. Russell Sharp explores whether ferns are a viable hydroponic crop, covering their limited edibility, high value as houseplants, and conservation concerns from historic "fern mania."
The episode explains fern biology and propagation—spores, gametophytes, divisions and micropropagation—plus humidity, foliar uptake, and practical hydroponic considerations for successful cultivation.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Joe Swift
Home Grown
Marf’s Kitchen Garden
Nettles & Petals
Tales from the potting shed Adam kirtland
NPK Hydroponics
NPK Media
Kyle Kushman
Advanced Nutrients Big Mike Straumietis
From the publisher's feed
Daily clips of hydroponic science throughout the whole of 2025
Presented by Dr Russell Sharp
Brought to you by the team behind Gold Leaf - seed to harvest with just one bottle of feed.
For more information please visit our website - https://eutrema.co.uk