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Dr. Russell Sharp explains how to keep hydroponic solutions pH-stable, the role of balanced nitrates and ammonium, and how chemical buffers prevent pH swings.
The episode also covers other pH drivers, including microbial activity, sugary additives, water hardness and plant exudates, and offers practical tips for consistent fertigation management.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Howard M. Resh – CuisinArt Hydroponic Farm
Neil Willey – University of the West of England, Bristol
Chungui Lu – Anglia Ruskin University
Tony Ryan – University of Sheffield
Eleni Stavrinidou – Linköping University
Desire Djidonou – Texas A&M University–Commerce
Genhua Niu – Texas A&M AgriLife Research
Shuyang Zhen – Texas A&M AgriLife Research
Omar Almaghrabi – Plant Factory Cornwall
Paul Myers – Farm Urban
Jens Thomas – Farm Urban
Irving Fain – Bowery Farming
Stuart Oda – Alesca Life
Kimbal Musk – Square Roots
Tobias Peggs – Square Roots
Sriram Gopal – Future Farms
Tristan Fischer – Fischer Farms
Gary Grinspan – Future Crops
Adam Dixon – Phytoponics
Louis Belloin – Techponics
Vivek Raj – Panama Group
Kevin Jakiela – Just Vertical
Robert Carlson – Growspace Farm
Gary Lazarski – MightyVine
Geoffrey Smith – Growponics
Ryan Chappell – Alien Hydroponics
Vijwal Vas – Green Monkey Farms
Calvin Aranha – Krop AI
Dara Govand Sherwani – Cihan University – Erbil
Ted Caplow – New York Sun Works
Alex Fisher – Saturn Bioponics
David Rosenberg – AeroFarms
Arama Kukutai – Plenty
Viraj Puri – Gotham Greens
Eric Haley – Gotham Greens
Kate Hofman – GrowUp Farms
Mike Hedges – GrowUp Farms
Erez Galonska – Infarm
Osnat Michaeli – Infarm
Guy Galonska – Infarm
Brad McNamara – Freight Farms
Jon Friedman – Freight Farms
Taisiya Jacobson – Pure Greens
Robert Colangelo – Green Sense Farms
Paul Sellew – Little Leaf Farms
Neil Mattson – Cornell University Controlled Environment Agriculture
A.J. Both – Rutgers University
Murat Kacira – University of Arizona Controlled Environment Agriculture Center
Chieri Kubota – The Ohio State University Controlled Environment Agriculture
Mark Lefsrud – McGill University
Erik Runkle – Michigan State University
Roberto Lopez – Michigan State University
Ricardo Hernández – North Carolina State University
Gene Giacomelli – University of Arizona Controlled Environment Agriculture Center
Lingying Zhao – The Ohio State University
Noah Langenfeld – Utah State University Crop Physiology Laboratory
Jacob Nickles – University of Sheffield
Dylan Gwynn-Jones – Aberystwyth University
John Doonan – National Plant Phenomics Centre
Mark Kroggel – The Ohio State University
Satoru Tsukagoshi – Chiba University
Toyoki Kozai – Japan Plant Factory Association
Henry Gordon-Smith – Agritecture
Rob Laing – Farm.One
Steven Dring – Growing Underground
Richard Ballard – Growing Underground
Michael DeGiglio – Village Farms International
Casey Houweling – Houweling’s Tomatoes
Eddy Badrina – Eden Green Technology
Eric Lang – ZipGrow
Eric Bergeron – ZipGrow
Alex Tyink – Fork Farms
Nona Yehia – Vertical Harvest
Caroline Croft Estay – Vertical Harvest
Penny McBride – Vertical Harvest
Jonathan Webb – AppHarvest
Mike Zelkind – 80 Acres Farms
Tisha Livingston – 80 Acres Farms
David Farquhar – Intelligent Growth Solutions
Bruce Bugbee – Utah State University Crop Physiology Lab
Nate Storey – Plenty
Caleb Harper – MIT Media Lab Open Agriculture Initiative
Eri Hayashi – Japan Plant Factory Association
Sonia Lo – Crop One Holdings
Paul Lightfoot – BrightFarms
Leo F.M. Marcelis – Wageningen University & Research
Eiji Goto – Chiba University
Na Lu – Chiba University
Michiko Takagaki – Chiba University
Shigeharu Shimamura – Mirai Co.
Don Taylor – AmplifiedAg
Ellen Van de Velde – Ghent University
Andrew Hare – Vertical Roots
Matt Daniels – Vertical Roots
Maarten Vandecruys – Urban Crop Solutions
Tom Debusschere – Urban Crop Solutions
Milan Kluko – Green Spirit Farms
Bill Toler – Hydrofarm
John Lindeman – Hydrofarm
Jean-Pierre Coene – Urban Crop Solutions
Dr. Russell Sharp explores how the weight of hydroponic systems affects portability, stability, thermal buffering and practical uses—from classrooms and balconies to cruise ships and space missions.
He compares lightweight NFT setups (easy to move, low structural load) with heavy DWC reservoirs (thermal stability, theft resistance, backup water) and offers examples to help growers decide which approach fits their situation.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Carnival Corporation & plc
Royal Caribbean Group
Norwegian Cruise Line Holdings (NCLH)
MSC Group (MSC Cruises)
Disney Parks, Experiences and Products (Disney Cruise Line)
Genting Hong Kong (defunct but previously major)
Virgin Voyages (Virgin Group / Bain Capital)
TUI Group
Fred. Olsen Cruise Lines
Saga Cruises
Viking Cruises
Azamara (Sycamore Partners)
Celestyal Cruises
P&O Ferries / P&O Cruises Australia (various ownership historically)
Ritz-Carlton Yacht Collection (Marriott International)
Compagnie Française de Croisières (CFC)
Marella Cruises (TUI Group)
Star Clippers
Ponant (Artémis Group)
Silversea Cruises (owned by Royal Caribbean Group)
Seabourn (Carnival Corporation)
Regent Seven Seas Cruises (NCLH)
Oceania Cruises (NCLH)
Norwegian Cruise Line
Oceania Cruises
Royal Caribbean International
Celebrity Cruises
Silversea Cruises
TUI Cruises (joint venture)
Hapag-Lloyd Cruises (via TUI JV)Regent Seven Seas Cruises
Carnival Cruise Line
Princess Cruises
Holland America Line
Seabourn
Cunard Line
Costa Cruises
AIDA Cruises
P&O Cruises (UK)
P&O Cruises Australia
MSC Cruises
Explora Journeys
Disney Cruise Line
Viking Cruises
Virgin Voyages
Azamara
Fred. Olsen Cruise Lines
Saga Cruises
Marella Cruises
Celestyal Cruises
Ponant
Ritz-Carlton Yacht Collection
Star Clippers
Compagnie Française de Croisières (CFC
Dr. Russell Sharp of Hydroponics Daily explores how fast food chains, from McDonald’s to Subway and Taco Bell, consume enormous volumes of fresh produce and the opportunities this creates for hydroponic growers.
The episode covers surprising consumption figures, examples of high-demand chains, tips on targeting alternative buyers beyond supermarkets, and a note on Eutrema Ltd’s expansion to sell fertilisers directly in Ireland.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
McDonald’s – Richard McDonald, Maurice McDonald
Burger King – Keith J. Kramer, Matthew Burns
KFC – Harland Colonel Sanders
Subway – Fred DeLuca, Peter Buck
Domino’s Pizza – Tom Monaghan, James Monaghan
Pizza Hut – Dan Carney, Frank Carney
Taco Bell – Glen Bell
Wendy’s – Dave Thomas
Starbucks – Jerry Baldwin, Zev Siegl, Gordon Bowker
Dunkin’ – William Rosenberg
Popeyes – Al Copeland
Chick-fil-A – S. Truett Cathy
Chipotle Mexican Grill – Steve Ells
Five Guys – Jerry Murrell, Janie Murrell
Dairy Queen – John Fremont McCullough, Alex McCullough, Sherb Noble
Jack in the Box – Robert O. Peterson
Carl’s Jr. / Hardee’s – Carl Karcher (Carl’s Jr.), Wilber Hardee (Hardee’s)
Little Caesars – Mike Ilitch, Marian Ilitch
Papa John’s – John Schnatter
Tim Hortons – Tim Horton, Ron Joyce
A&W – Roy W. Allen, Frank Wright
Jimmy John’s – Jimmy John Liautaud
Panera Bread – Ronald M. Shaich, Louis Kane, Ken Rosenthal
Sonic Drive-In – Troy N. Smith Sr.
In-N-Out Burger – Harry Snyder, Esther Snyder
Culver’s – George Culver, Ruth Culver, Craig Culver
Wingstop – Antonio Swad, Bernadette Fiaschetti
Shake Shack – Danny Meyer
Nando’s – Fernando Duarte, Robert Brozin
Pret A Manger – Jeffrey Hyman; Julian Metcalfe, Sinclair Beecham
Greggs – John Gregg
Wagamama – Alan Yau
Costa Coffee – Bruno Costa, Sergio Costa
Hungry Jack’s – Jack Cowin
Red Rooster – Peter Kailis, Theo Kailis
Oporto – António (Antonio) Cerqueira
Grill’d – Simon Crowe
Guzman y Gomez – Steven Marks, Robert Hazan
Zambrero – Sam Prince
Lord of the Fries – Mark Koronczyk, Amanda Leigh Walker
Jollibee – Tony Tan Caktiong
Leon – John Vincent, Henry Dimbleby, Allegra McEvedy
Vapiano – Kent Hahne, Gregor Gerlach, Klaus Rader, Mark Korzilius
Telepizza – Leopoldo Fernández Pujals
Nordsee – Adolf Vinnen
MOS Burger – Satoshi Sakurada
Boost Juice – Janine Allis
Muffin Break – Bob Nelson
Pie Face – Wayne Homschek, Betty Fong
Hell Pizza – Warren Powell, Callum Davies, Stuart McMullin
Dr. Russell Sharp makes the case for bootstrapping hydroponic businesses instead of taking big external investment, arguing that self-funding preserves control, motivation, creativity and long-term sustainability.
He explains how serendipitous innovation, family-owned advantages, and low-cost organic marketing let smaller operations grow responsibly and adaptively, offering practical examples and encouraging listeners to consider independent, profit-driven paths to scale.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Dave Chen
Rory Sutherland Ogilvy
Gantt Charts
Dragon's Den
Shark Tank
Listing on Stock Market PLC
Alan Sugar The Apprentice
Adam Neumann WeWork
Elizabeth Holmes
Steve Jobs
Paul Graham Y Combinator
Warren Buffett
Peter Thiel
Dr. Russell Sharp breaks down a candid interview with Equilibrium Capital's Dave Chen on the challenges of financing and scaling controlled environment agriculture (CEA). He covers why large capital requirements, post‑COVID funding shifts, and supermarket relationships make leafy‑green CEA a high‑risk, high‑scale business.
The episode also explores niche crop opportunities, the power of cooperatives and branding, and the "holy trinity" of operator, grower and retail partner needed to succeed — plus how Eutrema can help with fertilisers and biostimulants for CEA growers.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Little Leaf, Revol Greens, and Perfection Fresh
Hortidaily
Horticulture Week
Dr. Russell Sharp explains how to use store-bought seeds, rhizomes and tubers—like spelt, mung beans, turmeric, ginger, galangal, sweet potatoes and more—as propagation material for hydroponic crops and microgreens.
He covers practical tips (avoid roasted seeds, look for buds, and watch for disease risks), nutrient considerations for rhizomes, and money-saving business ideas such as producing sweet potato slips.
The episode balances low-cost DIY propagation techniques with cautions about viruses, aflatoxins and when to prefer certified seed stock.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Jamaican Sprinters
Chinese Yams
Sweet Potato
Taro
Eddoe
Turmeric
Ginger
Dr. Russell Sharp explores recent research showing that hyperspectral leaf scans combined with machine learning can predict cannabinoid concentrations in legal cannabis before harvest, and outlines a new technique that could let standard smartphone cameras act like hyperspectral sensors using a reference card and software.
The episode covers practical applications for growers and breeders; from pre‑selling crops and ensuring hemp THC compliance to rapidly screening seedlings, and considers how these tools could be brought together in a future smartphone app.
https://eutrema.co.uk/shop/biostimulants/slugger/
Compolytics
fan leaf hyperspectral reflectance (FLHR)
University of Adelaide's Dr Aaron Phillips
Purdue University researcher Young Kim
Semin Kwon of the Weldon School of Biomedical Engineering
James Hutton Institute Dundee
Dr. Russell Sharp explores how widespread use of GLP‑1 weight‑loss drugs (soon available orally) could reduce overall calorie intake and shift demand across crop types. He outlines the likely big losers (corn/maize, soybeans, sugar, palm oil) and relative winners (pulses, fibre‑rich fruits and vegetables, premium proteins), as well as crops likely to remain stable (rice, wheat, tubers) and non‑food crops largely unaffected.
The episode discusses implications for hydroponics and horticulture, potential changes in the food and leisure industries, and cautions about drug side effects and broader societal impacts.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Liraglutide Victoza, Saxenda
Semaglutide, Ozempic, Wegovy
Robbie Williams, Greggs the baker, McDonalds, KFC, Wendy's, Chick-fil-a, chipotle, beyond meat, impossible foods, subway, waitrose, tesco, sainsbury's, asda, aldi, lidl, hyrox, crossfit, turf games, park run, personal trainers, david lloyd gyms, jd sports, jd gyms, virgin active, vitality insurance,
Dr. Russell Sharp explores a controversial strategy where entire growing regions pause production for 20–30 days to break pest life cycles — using crop removal, soil solarization and biological controls. He compares past field-crop proposals to recent plans in Almería to tackle thrips and discusses the economic pain, possible aid, and whether coordinated shutdowns could work for other crops.
The episode weighs practical challenges, examples from rapeseed and protected crops, and asks listeners to consider if collective action can realistically eliminate stubborn pests or diseases.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Andrés Iniesta, Xavi, Sergio Ramos, Carles Puyol, Iker Casillas, lamine yamal,
Dr. Russell Sharp dives into the unique world of vanilla: an orchid vine that requires delicate, manual pollination outside its native range, long development times, and careful curing. Learn why vanilla farming is labor-intensive, how hydroponic tower systems are being used, and what breeders are doing to improve resilience and pollination.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
Ice cream
Custard
Madagascar
Indonesia
Nepal
India
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