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Hydroponic Peanuts: Can We Grow Them Without Soil?
Episode 327
Dr. Russell Sharp explores experimental research on growing peanuts hydroponically, summarizing NASA studies and university trials using deep water culture (DWC) and nutrient film technique (NFT). He…
Published on 2 weeks, 6 days ago
The International Space Station has a big Hydroponic Headache!
Episode 326
Dr. Russell Sharp discusses recent research (published in npj Microgravity) showing that lettuce grown on the International Space Station contains significantly less calcium and magnesium and lower a…
Published on 3 weeks ago
Growing Edamame Indoors: Japan's Hydroponic Breakthrough
Episode 325
Dr. Russell Shaw explores recent Japanese research showing that edamame can be successfully grown hydroponically under LED lighting, yielding stable, high-quality crops independent of season.
The ind…
Published on 3 weeks, 1 day ago
Hydrofarm: A Reality Check for the Hydroponics Industry
Episode 324
Dr. Russell Sharp breaks down Hydrofarm’s latest results, falling sales, large write-downs and the company’s role as a barometer for the hydroponics and legal cannabis markets.
The episode explores H…
Published on 3 weeks, 2 days ago
Titanium & Plant Health: Miracle Micronutrient or Risky Gamble?
Episode 323
Dr. Russell Sharp explores the role of titanium in plant health; what it is, how it’s used (chelated salts, titanium dioxide nanoparticles, foliar and root applications), and why it’s attracting inte…
Published on 3 weeks, 3 days ago
Direct Air Capture for CO2 in Hydroponics
Episode 322
Dr. Russell Sharp explores the promise of direct air capture (DAC) as a way to enrich CO2 for hydroponic and greenhouse crops without burning fossil fuels. He discusses a Japanese company (Seibu Gaik…
Published on 3 weeks, 4 days ago
Lamb's Lettuce: Hydroponic Gold, not just for Winter
Episode 321
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 unheat…
Published on 3 weeks, 5 days ago
Eli Lilly's $3 BILLION Greenhouse Bet: Is Hydroponics the Next Pharma Frontier?
Episode 320
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 h…
Published on 3 weeks, 6 days ago
Cold Roots, Chilled Yields: Diagnosing Root Cold Stress in Hydroponics
Episode 319
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…
Published on 4 weeks ago
Bankruptcy in Soilless Farming: Clean Greens and Growy Singapore Fall
Episode 318
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—a…
Published on 4 weeks, 1 day ago