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PODCAST

Hydroponics Daily

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.

leisure home & garden

All Episodes

7:38

Hydroponics vs. Field Farming: The Real Reasons...

Hydroponics Daily ·

2025/10/12

Dr. Russell Sharp contrasts outdoor soil-grown vegetables with hydroponic indoor production, focusing on labour differences, pest pressures, and contamination risks. He explains how the withdrawal of neonicotinoids and rising insect issues in Europe make hydroponics advantageous for pest control and cleaner produce, potentially influencing supermarket sourcing and consumer expectations. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

en

9:28

Roof Irises: The Perfect Ornamental for Hydroponics

Hydroponics Daily ·

2025/10/11

Dr. Russell Sharp discusses the potential of ornamental hydroponics and spotlights Iris tectorum (the roof iris) as an ideal species for indoor soilless cultivation due to its tolerance of low nutrients, stress, and inert media.The episode covers the plant’s historical roof cultivation in Asia and Europe, its bioactive compounds of pharmaceutical interest, and practical ideas like using reed thatch as a growing medium, urging growers to explore ornamentals as a niche in

en

4:58

Cardboard, Hemp & Sawdust: Unconventional Microgreens...

Hydroponics Daily ·

2025/10/10

Dr. Russell Sharp tests unconventional, nutrient-free grow media for microgreens—hemp and microgreens matting, cardboard and coarse sawdust—comparing results for chia and onion in a hydroponic setup. The episode covers the trial design, potential issues (mould, decomposition, nutrient deficiencies, wood toxins) and invites listener feedback as the team observes outcomes. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

en

5:50

Gavita Management Buyout: Hydroponics Shake‑Up After...

Hydroponics Daily ·

2025/10/09

This episode reports Gavita’s management buyout following Miracle‑Gro/Hawthorne’s divestment of its hydroponics businesses and what that could mean for the industry. Also included: a production update from Eutrema on a solvent‑free, highly concentrated 12.5% indole‑butyric acid auxin solution, chitosan biofungicide shipments, and planned jasmonic acid products, with trial samples available. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

en

1:50

Auxin Solutions/gels - Do you know how to use them?

Hydroponics Daily ·

2025/10/08

Dr. Russell Sharp records a short episode to ask listeners to take a quick Instagram poll about what they know regarding auxin sprays, gels, and solutions. He teases upcoming episodes with deeper explanations of auxin uses and more insights from the congress, including a look at what a "gigafarm" is. https://eutrema.co.uk/shop/pesticides-organic/lime-sulphur/

en

6:17

Why 'Hydroponic' Doesn't Sell: Lessons from Growy

Hydroponics Daily ·

2025/10/07

https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/Dr. Russell Sharp reports from the World Congress for Vertical Farming after visiting Growy. He focuses on labeling, packaging, shelf life, and why customers prioritize "pesticide-free" and "no need to wash" over the word "hydroponic." The episode also explores supermarket placement, packaging visibility, and how distribution and branding often matter more than technology when it comes to market success.

en

7:52

Stereo Microscopes - See Your Plants Like Never Before

Hydroponics Daily ·

2025/10/06

Dr. Russell Sharp explains practical ways to inspect hydroponic plants up close, from inexpensive hand lenses and phone macro attachments to investing in a stereomicroscope. He contrasts stereomicroscopes with compound microscopes and shares buying tips like LED illumination, stable stands, and camera attachments. The episode covers how to spot pests and disease early, examine trichomes and flowers, check beneficial nematodes under a compound microscope, and use microscopes for documentation and

en

5:35

Extinct Tomatoes & Why Species Matter More Than...

Hydroponics Daily ·

2025/10/05

Dr. Russell Sharp recounts reintroducing extinct tomato varieties like the Blaby Special and Manx Marvel, then examines the relative value of preserving heritage cultivars versus conserving whole wild species and their genetic diversity.He argues that wild species and ancestral strains often hold more crucial genetic value for future breeding and that species-level conservation should be prioritised, while inviting listener feedback and pointing to Eutrema Ltd for hydroponics

en

11:18

Hydroponic Carnivores: Growing Venus Flytraps and...

Hydroponics Daily ·

2025/10/04

Dr. Russell Sharp experiments with growing carnivorous plants hydroponically—Venus flytraps, sundews, and pitcher plants. He discusses challenges like their need for nutrient-poor acidic conditions, winter dormancy, pests, and the plan to use RO water, very low nutrient solutions, peat-free media, and NFT/DWC systems, promising updates as he learns. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

en

13:00

Fruit Attraction 2025: Hydroponics Discoveries and...

Hydroponics Daily ·

2025/10/03

Dr. Russell Sharp reports from Fruit Attraction in Madrid, sharing key hydroponics and fresh-produce industry discoveries from the trade show. Main takeaways: large distributors dominated the show with impressive stands, biostimulant firms remain small, and a noticeable presence of vegan and microbial fertiliser companies. Hydroponic systems and lighting were scarce compared to field-grown fruit technology. Other notes include concerns about plastic-coated granular fertilisers and cobalt-containing

en

12:16

Why Is West Virginia Missing from the Hydroponics Map?

Hydroponics Daily ·

2025/10/02

Dr. Russell Sharp investigates why West Virginia seems to have low interest in hydroponics, examining factors like GDP, geography, cannabis laws, and local market access. The episode highlights existing efforts — NASA-funded programs at West Virginia University, community college courses, Mocks Farm, and Blue Acre Aquaponics — and discusses grants, production methods, and opportunities for local growth. https://eutrema.co.uk/claim-your-free-turf-brochure/

en

9:58

T6P: The Next Big Biostimulant?

Hydroponics Daily ·

2025/10/01

Dr. Russell Sharp explores trehalose‑6‑phosphate (T6P) as an emerging biostimulant, its role in controlling sucrose signals, and the promising academic data—especially in wheat—showing yield and stress‑tolerance benefits. The episode compares two commercial players (SugarRox and Unium), discusses intellectual property and market positioning, and considers the challenges of turning trial results into farmer adoption and profitable businesses. https://eutrema.co.uk/category/biostimulants/

en

9:29

Growing Mistletoe Without Soil: The Strange 1991...

Hydroponics Daily ·

2025/09/30

Dr. Russell Sharp explores a curious 1991 patent by Gunther Mayer that claims mistletoe can be propagated in hydroponic baths using sap from host plants, noting the scant details (sap extraction, preservation, and CO2 use) and that the patent was later withdrawn. The episode also touches on commercial parasitic crops like sandalwood, the challenges and potential of soilless cultivation, and invites listeners to share any experience growing parasitic plants

en

5:09

Glowing Soybeans and Bee Lifesavers: News Roundup

Hydroponics Daily ·

2025/09/29

In this episode of Hydroponics Daily, we discuss two notable agtech developments relevant to growers: InnerPlant's CropVoice—genetically engineered soybeans that light up when infected to provide early disease alerts—and GreenLight Bioscience's RNA-based treatment Noarroa, which targets varroa mites in honeybee colonies and offers extended protection. We explore implications for hydroponic and pollinated crops and point listeners to AgTech Digest for more industry

en

18:40

Endophytes: The Hidden Microbes Inside Plants

Hydroponics Daily ·

2025/09/28

Dr. Russell Sharp explores endophytes—beneficial microbes that live inside plant tissues—explaining how they can boost stress tolerance, aid nutrient uptake, and protect against pests. He discusses notable companies, commercial challenges, safety concerns, and why endophyte products have seen mixed success in agriculture. Listeners will learn about practical limitations for adoption, differences from other microbial products, and the economic and regulatory realities shaping the endophyte

en

6:01

Legal cannabis: Why it is not inevitable that outdoor...

Hydroponics Daily ·

2025/09/27

Dr. Russell Sharp reacts to a LinkedIn post arguing for a return to outdoor soil-grown cannabis, and explains why hydroponics and controlled indoor cultivation remain vital. He discusses sticky trichomes attracting dust, the risk of pollen contamination (including deliberate male plants placed upwind), and the economic and quality implications for legal cannabis growers.The episode weighs practical pros and cons of outdoor versus indoor growing, highlights real-world threats to crop integrity, and

en

6:43

Banana Trunks to Grow Bags: The Future of Sustainable...

Hydroponics Daily ·

2025/09/26

Dr. Russell Sharp explores a new grow media made from banana plant trunks developed by Banana Bloom/Southeastern Fiber. The episode covers the material's hydrophilic re-wetting ability, durability, water-holding capacity, and potential as a mix with other media. Benefits include using an agricultural waste product, lower carbon footprint compared with cocoa, and reduced need for chemical processing. Dr. Sharp also clarifies this product is a growing media—not a fertilizer—and discusses practical

en

10:01

Arsenic on the Menu: Is Your Rice Making You Sick?

Hydroponics Daily ·

2025/09/25

Dr. Russell Sharp explores how arsenic gets into rice and some seaweeds, the health risks including cancer and developmental effects, and why levels vary by grain type and growing region. He offers practical steps to reduce exposure—rinse and cook rice in excess water (about 6:1), prefer basmati/jasmine or alternative grains like quinoa and millet, and for hydroponic growers ensure good root aeration to limit heavy-metal

en

8:13

Enzymes on Plants. What the heck?

Hydroponics Daily ·

2025/09/24

Dr. Russell Sharp investigates enzyme-based hydroponic products like Plagron's Green Sensation, questioning ingredient lists and the claim that sprayed enzymes break down plant cell walls. He explains where enzymes are actually useful (breaking down dead roots and improving media nutrient availability), outlines stability limits (UV and temperature), suggests microbes or composting as better alternatives, and teases tomorrow's episode on arsenic in

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6:46

Tylenol (Paracetamol) causes what in plants?!?!?!?

Hydroponics Daily ·

2025/09/23

Dr. Russell Sharp reviews research on paracetamol (acetaminophen/Tylenol) and its effects on plants in hydroponics and horticulture. He explains how the drug is taken up by roots and leaves, how plants detoxify it, and how even small amounts can trigger oxidative stress, impair photosynthesis and inhibit growth in species like lettuce and maize. The episode covers evidence of DNA methylation changes in maize, that silicon fertiliser can mitigate damage, and that paracetamol is generally detrimental

en

306 results

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