Épisodes

  • Don't Feed Dormant Plants: The Hidden Nitrite Danger

    Don't Feed Dormant Plants: The Hidden Nitrite Danger
    Dec 7 2025

    Dr. Russell Sharp explains why you should drastically reduce or stop fertilizing perennial crops during winter dormancy or cold storage. Plants take up little or no nutrients in cold conditions, and added nitrogen—especially ammonium—can convert to toxic nitrites that harm cellular respiration, photosynthesis and root health.

    He recommends dialling fertiliser back to near zero during dormancy, avoiding ammonium-based formulations in cold media, and resuming accurate dosing only when plants are actively growing or in heated environments.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

    Rattan Lal – Ohio State University

    Asmeret Asefaw Berhe – U.S. Department of Energy, Office of Science

    Johan Six – ETH Zürich

    Diana H. Wall – Colorado State University

    Johannes Lehmann – Cornell University

    Yakov Kuzyakov – University of Göttingen

    Noah Fierer – University of Colorado Boulder

    Mark A. Bradford – Yale University

    Franciska de Vries – University of Amsterdam

    Claire Chenu – INRAE / AgroParisTech

    Lorna Dawson – James Hutton Institute

    Bridget Emmett – UK Centre for Ecology & Hydrology

    David S. Powlson – Rothamsted Research

    Jacqueline (Jack) Hannam – Cranfield University

    Jonathan Sanderman – Woodwell Climate Research Center

    Thomas W. Crowther – ETH Zürich

    Carlos A. Guerra – German Centre for Integrative Biodiversity Research (iDiv)

    Brajesh K. Singh – Western Sydney University

    Fernando T. Maestre – King Abdullah University of Science and Technology

    Mark Kibblewhite – Cranfield University

    R. Michael Miller – Argonne National Laboratory

    Peter Smith – University of Aberdeen

    Kristine Nichols – Soil Regeneration Unlimited

    Elaine Ingham – Soil Food Web School

    Isabel Barros – University of Coimbra

    Maria J. I. Briones – University of Vigo

    Lucrezia Caon – Food and Agriculture Organization of the United Nations

    Manuel Delgado-Baquerizo – Spanish National Research Council (CSIC)

    Richard D. Bardgett – University of Manchester

    Nico Eisenhauer – Leipzig University / iDiv

    David J. Eldridge – University of New South Wales

    Ingrid Kögel-Knabner – Technical University of Munich

    Dominique Arrouays – INRAE, InfoSol Unit

    Megan Balks – University of Waikato

    Borris Boincean – Alecu Russo State University of Bălți

    Pardon Muchaonyerwa – University of KwaZulu-Natal

    Maja Krzic – University of British Columbia

    Dan Evans – Cranfield University

    Karl Ritz – University of Nottingham

    Simon Jeffery – Harper Adams University

    Aidan Keith – UK Centre for Ecology & Hydrology

    Sam Bonnett – University of the West of England (UWE Bristol)

    Lizzie Sagoo – ADAS

    Anne Bhogal – ADAS

    John Williams – ADAS

    Chris Stapleton – Independent soil consultant (formerly HS2 Ltd)

    Marla Riekman – Manitoba Agriculture

    Dianna Bagnall – Soil Health Institute

    Ólafur Arnalds – Agricultural University of Iceland

    André Bationo – African Development Bank (soil fertility specialist)

    Charles A. Igwe – University of Nigeria, Nsukka

    Lydia Jennings – Independent environmental / soil scientist

    Alina Widmer – University of Bern

    Yamina Pressler – For the Love of Soil

    Andie Marsh – Independent soil scientist / communicator

    Alexandra Muxworthy – PES Technologies

    Luke Harrold – Scotland’s Rural College (SRUC)

    Mark S. McClain – Independent soil and wetland scientist

    Tim Overheu – Department of Primary Industries and Regional Development, Western Australia

    Adrian P. Broz – Planetary Soils
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    6 min
  • Lease to Grow: The Rise of Rental Hydroponic Systems

    Lease to Grow: The Rise of Rental Hydroponic Systems
    Dec 6 2025

    In this episode Dr. Russell Sharp explores leasing and rental business models for hydroponic systems—ranging from small kitchen towers to commercial vertical farms—covering potential revenue streams, financing advantages, turnkey options for growers, and the practical risks involved.

    He highlights examples from the industry, discusses who benefits from rentals, and invites listeners to share their experiences or case studies.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

    Monty Don

    Alan Titchmarsh

    Adam Frost

    Frances Tophill

    Joe Swift

    Arit Anderson

    Carol Klein

    Nick Bailey

    Rachel de Thame

    Sue Kent

    Toby Buckland

    David Domoney

    Katie Rushworth

    Charlie Dimmock

    Christine Walkden

    Diarmuid Gavin

    Chris Beardshaw

    Juliet Sargeant

    Alys Fowler

    James Wong

    Carole Baxter

    Brian Cunningham

    Kirsty Wilson

    Michael Perry

    Roy Lancaster

    Chris Collins

    Advolly Richmond

    Pippa Greenwood

    Matthew Wilson

    James Alexander-Sinclair

    Matt Biggs

    Bob Flowerdew

    Chris Baines

    Bunny Guinness

    Jim McColl

    Sarah Raven

    Rich Brothers

    Anne Swithinbank

    Andy Sturgeon

    Dan Pearson

    Alan Gardner

    Kim Wilde

    Tommy Walsh

    Matt James

    Stefan Buczacki

    Lee Connolly

    George Hassall

    Tayshan Hayden-Smith

    Joel Bird

    Errol Reuben Fernandes

    Poppy Okotcha

    Manoj Malde

    Tom Massey

    Pip Probert

    Helen Elks-Smith

    Penny Lamb

    Colin Stafford-Johnson

    Camilla Bassett-Smith

    Anna Greenland

    Sarah Gerrard-Jones

    Scott Smith

    Oliver Bond

    Chris Hull

    Steve Williams

    Lee Burkhill

    Peter McDermott

    Richard Jackson

    Daisy Payne

    Ned Don

    Peter Donegan

    Mark Lane

    Danny Clarke

    George Anderson

    Calum Clunie

    Walter Gilmour

    Bill Torrance

    Sid Robertson

    Mike Dilger

    Nigel Colborn

    Nick Macer

    Florence Headlam

    Nigel Don

    Chris Jones

    John Kelly

    Liz Rigby

    Rod Saunders

    Rachel Saunders

    JJ Chalmers

    Clay Jones

    Joy Larkham

    Lawrence Llewellyn-Bowen

    Kate Humble

    Carol Vorderman

    Mark Foster

    Ian Hood

    Tony Kirkham

    Jamie Butterworth

    Tom Hart Dyke

    Nick Bailey

    Alice Vincent
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    5 min
  • Rats in the NFT: Rodents, Risks and Hydroponic Safety

    Rats in the NFT: Rodents, Risks and Hydroponic Safety
    Dec 5 2025
    Dr. Russell Sharp of Utrema discusses a striking Facebook post—an AI image of rat droppings on an NFT lettuce system—and asks whether rodents are a real threat in hydroponics. The episode covers the main risks rodents pose: disease transmission (salmonella, leptospirosis, hantavirus), contamination of recirculating fertigation solutions, crop damage, and quality/safety losses. Practical control advice is offered using an integrated pest management approach: seal entry points, install fine mesh on vents, reduce outdoor hiding spots, use traps (preferred over poisons), monitor and keep pest logs, and consider professional tamper-resistant services for larger operations. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/ Marisa Thompson — Extension Urban Horticulture Specialist, New Mexico State University, USA Abiya (Abi) Saeed — Extension Horticulture Specialist, Montana State University Extension, USA Svoboda Vladimirova Pennisi — Extension Horticulture Specialist, Department of Horticulture, University of Georgia, USA Michael Parker — Extension Horticulture Specialist (Tree Fruits & Pecans), Department of Horticultural Science, North Carolina State University, USA Kim Todd — Professor & Extension Horticulture Specialist, Agronomy & Horticulture, University of Nebraska–Lincoln, USA Karen Panter — Emeritus Extension Horticulture Specialist, Department of Plant Sciences, University of Wyoming, USA Todd Higgins — Horticulture Specialist, University of Missouri Extension, USA Linda Chalker-Scott — Extension Horticulturist, Washington State University, USA Jeff Gillman — Director, UNC Charlotte Botanical Gardens, University of North Carolina at Charlotte, USA Joe Masabni — Extension Vegetable Specialist, Texas A&M AgriLife Extension, USA Mengmeng Gu — Professor & Extension Horticulturist, Texas A&M University, USA Ajay Nair — Associate Professor & Extension Vegetable Specialist, Iowa State University, USA Chris Currey — Associate Professor of Horticulture, Iowa State University, USA Gary Bachman — Extension Horticulture Specialist, Mississippi State University Extension, USA David Trinklein — Horticulture Specialist, University of Missouri, USA Pam Bennett — Horticulture Educator, Ohio State University Extension, USA Bert Cregg — Professor of Horticulture & Forestry, Michigan State University, USA Holly Scoggins — Associate Professor of Horticulture (emerita), Virginia Tech, USA Youbin Zheng — Professor, School of Environmental Sciences (controlled environment horticulture), University of Guelph, Canada Gopinadhan Paliyath — Professor, Department of Plant Agriculture, University of Guelph, Canada John A. Cline — Professor, Department of Plant Agriculture (tree fruit horticulture), University of Guelph, Canada Mary Jane Clark — Professor of Horticulture, Niagara College, Canada David Percival — Professor & Director, Wild Blueberry Research Program, Faculty of Agriculture, Dalhousie University, Canada Rajasekaran (Raj) Lada — Professor, Horticultural Science, Faculty of Agriculture, Dalhousie University, Canada Samuel Asiedu — Professor, Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Canada Kate Congreves — Associate Professor, Environmental Agronomy & Horticulture, Department of Plant Sciences, University of Saskatchewan, Canada Bob Bors — Assistant Professor & Head of Fruit Program, Department of Plant Sciences, University of Saskatchewan, Canada Jackie Bantle — Greenhouse and Horticulture Facility Manager, University of Saskatchewan, Canada Clarence Swanton — Professor Emeritus, Department of Plant Agriculture, University of Guelph, Canada Jason L. McCallum — Research Scientist (Plant / Horticultural Science), Agriculture and Agri-Food Canada, Canada Alistair Griffiths — Director of Science & Collections, Royal Horticultural Society (RHS), UK Tijana Blanusa — Horticultural Scientist, School of Agriculture, Policy and Development, University of Reading & RHS, UK Jim Monaghan — Professor of Applied Horticulture / Crop Production, Harper Adams University, UK Andrew Beacham — Senior Lecturer in Horticultural Science, Harper Adams University, UK Lauren Chappell — Vegetable Crop Scientist / Plant Pathologist, Warwick Crop Centre, University of Warwick, UK Ross Cameron — Professor of Horticulture and Landscape Plant Science, University of Sheffield, UK Meirion Roberts — Lecturer involved in Horticultural Science modules, Aberystwyth University, UK Rachel Baxter — Lecturer / Researcher in Crop & Horticultural Science, Lancaster Environment Centre, Lancaster University, UK Paul Hadley — Professor of Horticultural Crop Science, University of Reading, UK David Evans — Head of Grounds and Gardens (horticultural science background), University of Exeter, UK John Mulhern — College Principal, Teagasc College of Amenity Horticulture, National Botanic Gardens, Dublin, ...
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    10 min
  • Hidden Hydroponics: How Cosmetics Brands Quietly Grow Ingredients

    Hidden Hydroponics: How Cosmetics Brands Quietly Grow Ingredients
    Dec 4 2025
    Host Dada Russell-Sharp of Hydroponics Daily explores how hydroponics and vertical farming are widely used by non-food companies—especially cosmetics and fragrance brands—to grow active ingredients, herbs, and flowers for skincare and perfumes. The episode highlights companies in France, the US, and South Korea (including L'Oréal, Ule, Plant Advanced Technologies, and Therminic) and points out surprising uses like perfumery, medicinal herbs, and clean hydroponic skincare extracts. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/ The Beet: A Podcast For Plant Lovers – Kevin Espiritu; Jacques Lyakov The joe gardener Show – Joe Lamp'l The Beginner's Garden – Jill McSheehy A Way to Garden – Margaret Roach KSL Greenhouse – Maria Shilaos; Taun Beddes Garden Basics with Farmer Fred – Fred Hoffman Garden Talk with Mr. Grow It – Chris (Mr. Grow It) The Gardening with Joey & Holly Radio Show – Joey Baird; Holly Baird Flower Power Garden Hour – Marlene Simon Backyard Gardens - Gardening for Everyone – Ben Gardner; Batavia Choctaw The Gestalt Gardener – Felder Rushing Neil Sperry's Gardens – Neil Sperry Davis Garden Show and Beyond – Don Shor; Lois Richter Just Grow Something – Karin Velez South Texas Gardening with Bob Webster – Bob Webster WPTF Weekend Gardener – Mike Raley; Rufus Edmisten Garden America – John Bagnasco; Bryan Main; Tiger Palafox Garden Talk (Wisconsin Public Radio) – Larry Meiller All Things Gardening – Mary Engisch; Charlie Nardozzi Better Lawns and Gardens – Teresa Watkins Cultivating Place – Jennifer Jewell Let's Argue About Plants – Steve Aitken; Danielle Sherry Green and Growing with Ashley Frasca – Ashley Frasca GardenLine with Skip Richter – Robert “Skip” Richter The Garden Mixer – Marianne Willburn; Leslie Harris Getting Dirty – Allison Turcan; Ivana Pilarska Focus on Flowers – Moya Andrews Garden Dilemmas, Delights & Discoveries – Mary Stone Bird Hugger – Catherine Greenleaf Valley Nursery Plantcast – Justin Robbins; Erin Parker Garden Variety – Charity Nebbe New Southern Garden – Nathan Wilson Garden Talk by Walter Andersen Nursery – Susy Lopez; Walter Andersen Rose Chat Podcast – Teresa Byington Growing Joy with Plants – Maria Failla In The Garden with Ron Wilson – Ron Wilson GardenFork Radio – Eric Rochow The Dirt Doctor Radio Show – Howard Garrett GardenDC – Kathy Jentz Yard Coach – Matt (Yard Coach Matt) In The Garden (KSFO) – Bob Tanem Growing Our Future – Gardopia Gardens team Your Midwest Garden Podcast – Mike O’Rourke; Scott Sandstrom The Garden Question – Craig McManus DIY Garden Minute by Spoken Garden – Sean McManus; Allison McManus Garden Talk with Mark Webber – Mark Webber Paul Parent Garden Club Show – Paul Parent Encyclopedia Botanica – Hilary Dahl Bloomers in the Garden – Len Schroeder; Julio Zamora A Garden Runs Through It – UC Master Gardeners of Colusa County Gardeners’ Question Time – Kathy Clugston; Peter Gibbs Gardening with the RHS – Guy Barter; Gareth Richards; Jenny Laville Gardeners’ Corner – David Maxwell On The Ledge – Jane Perrone The Organic Gardening Podcast – Fiona Taylor; Chris Collins grow, cook, eat, arrange – Sarah Raven; Arthur Parkinson Talking Heads - a Gardening Podcast – Saul Walker; Lucy Chamberlain Mike The Gardener - Gardening Podcast – Mike Palmer The Veg Grower Podcast – Richard Suggett Talking Dirty – Alan Gray; Thordis Fridriksson The Happy Garden Podcast – Mollie Green; Darren Rudge Pots & Trowels - The Gardening Podcast – Martin Fish; Jill Fish; Sean Riley Field and Garden – Lisa Mason Ziegler Home Show Garden Pros Radio – Home Show Garden Pros team Gardens, Weeds & Words – Andrew O’Brien Roots and All – Sarah Wilson The Scottish Garden Podcast – Julianne Robertson Gardeners’ World Magazine Podcast – Gardeners’ World editorial team The Sodshow – Peter Donegan Gardeners of the Galaxy – Emma the Space Gardener (Emma Doughty) All The Dirt – Steve Wood; Deryn Thorpe The Garden Clinic – Graham Ross; Sandra Ross In Defense of Plants – Matt Candeias We Dig Plants – Carmen Devito; Alice Marcus Krieg Plantrama – Ellen Zachos; C.L. Fornari Gardenerd Tip of the Week – Christy Wilhelmi The Native Plant Podcast – Mike Berkley; John Magee Still Growing – Jennifer Ebeling Epic Gardening (audio show) – Kevin Espiritu Grow, Cook, Inspire – Helen Cross Into the Garden with Leslie – Leslie Harris The Flower Podcast – Scott Shepherd The Cut Flower Podcast – Nicola Dixon Slow Flowers Podcast – Debra Prinzing The Plant Based Podcast – Ellen Mary; Michael Perry Growing Together: A Gardening Podcast – Don Kinzler; John Lamb The Urban Garden Podcast – Encore Ray The Kitchen Garden Magazine Podcast – Kitchen Garden editorial team Gardening with Ben – Ben (Gardening with Ben) The Garden Log – Ben Dark RHS Gardening Podcast – Royal ...
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    4 min
  • Growing the Impossible: Hydroponic Crops the UK Can't Grow Outdoors

    Growing the Impossible: Hydroponic Crops the UK Can't Grow Outdoors
    Dec 3 2025

    Dr. Russell Sharp explores crops that struggle outdoors in the UK due to short, cool seasons and shows how hydroponics or protected cultivation can make them viable. He discusses sweet potato slips, cotton, jute, castor bean, rice trials, peanuts, melons, chillies and more, plus business opportunities for growers and the effects of climate change on crop potential.

    Listeners will learn which crops need grow rooms or greenhouses, which might be trialed outdoors, and ideas for commercial hydroponic production and supply to gardeners and farmers.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

    Terka Acton Henry Agg Simon Akeroyd Souren Ala Adam Alexander Rosemary Alexander James Alexander-Sinclair Zena Alkayat Zia Allaway Sharon Amos Camilla Anderson Jill Anderson Tanya Anderson Stephen Anderton Natalie Anstey Matthew Appleby Russell Attwood Claire Austin Matthew Baber Chris Baines Craig Ball Andrea Ballard Richard Barnes Camilla Bassett-Smith Nina Baxter Joanne Beattie Lucy Bellamy Pip Bensley Pernilla Bergdahl Vanessa Berridge Matthew Biggs Andrea Blackie Judith Blacklock Bridget Blair Adrian Bloom Richard Bloom Marian Boswall Julia Boulton Val Bourne Daisy Bowie-Sell Helier Bowling Edward Bowring Steven Bradley Sue Bradley Mandy Bradshaw Christopher Brickell Frances Brown Tom Brown Ursula Buchan Jonathan Buckley Stefan Buczacki Diane Budd Adriano Bulla Lee Burkhill Deborah Burn Paula Bushell Steve Bustin Lucy Butler Ciar Byrne Lorraine Caley Alexandra Campbell Lucy Chamberlain Amy Chapman Karen Chapman Michelle Chapman Ruth Chivers Shereen Chung-Blake JP Clark Francesca Clarke Victoria Clarke Richard Claxton Philip Clayton George Clowes Nigel Colborn Tom Coleman Christopher Collins Matthew Collins Vicki Cooke Hilary Course Kenneth Cox Martyn Cox Ray Cox Simon Crawford Emma Crawforth Helen Cross Sarah Croud Ken Crowther Leanne Crozier Fiona Cumberpatch Sally Cunningham Julie Dansereau Kate Dardis Ruth Darrah Dave Darwent Holly Daulby Chris Day Jo Davey Claudia de Yong Wendy Desyllas Mark Diacono
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    7 min
  • Hydroponics on Display: 8 Botanical Gardens to Visit

    Hydroponics on Display: 8 Botanical Gardens to Visit
    Dec 2 2025

    Dr. Russell Sharp tours botanical gardens around the world that feature hydroponic and aquaponic displays, from Pittsburgh and Dallas to Bethlehem, Malaysia, Dresden, Baghdad, and Irkutsk.

    The episode highlights these sites as educational and STEM-focused exhibits, emphasizes hydroponics' water-saving benefits, and invites listeners to suggest other gardens for future episodes.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

    Royal Botanic Gardens, Kew – Richard Deverell

    New York Botanical Garden – Jennifer Bernstein

    Missouri Botanical Garden – Lúcia G. Lohmann

    Singapore Botanic Gardens – Tan Puay Yok

    Royal Botanic Garden Edinburgh – Simon Milne

    Royal Botanic Gardens Victoria – Chris Russell

    Chicago Botanic Garden – Jean M. Franczyk

    Fairchild Tropical Botanic Garden – Carl E. Lewis

    Kirstenbosch National Botanical Garden – Werner Voigt

    Atlanta Botanical Garden – Mary Pat Matheson

    Longwood Gardens – Paul B. Redman

    Brooklyn Botanical Garden – Adrian Benepe

    United States Botanic Garden – Saharah Moon Chapotin

    The Huntington Library, Art Museum, and Botanical Gardens – Karen R. Lawrence

    Royal Botanic Garden Sydney – Denise Ora

    Auckland Botanic Gardens – Jack Hobbs

    UC Botanical Garden at Berkeley – Lew Feldman

    UC Davis Arboretum and Public Garden – Kathleen Socolofsky

    Arnold Arboretum of Harvard University – William (Ned) Friedman

    Morris Arboretum & Gardens of the University of Pennsylvania – Bill Cullina

    Desert Botanical Garden (Phoenix) – Ken Schutz

    San Diego Botanic Garden – Ari Novy

    Coastal Maine Botanical Gardens – Gretchen Ostherr

    Norfolk Botanical Garden – Michael Desplaines

    Montgomery Botanical Center – Patrick Griffith

    Phipps Conservatory and Botanical Gardens – Richard V. Piacentini

    Dallas Arboretum and Botanical Garden – Sabina Carr

    Queens Botanical Garden – Evie Hantzopoulos

    Lewis Ginter Botanical Garden – Brian Trader

    Holden Forests & Gardens (Holden Arboretum and Cleveland Botanical Garden) – Jill Koski

    Naples Botanical Garden – Donna McGinnis

    University of Oxford Botanic Garden and Arboretum – Simon Hiscock

    Cambridge University Botanic Garden – Beverley Glover

    Marie Selby Botanical Gardens – Jennifer Rominiecki

    Jardin botanique de Montréal – Anne Charpentier
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    8 min
  • Cardoon: The High‑Value Hydroponic Crop Michelin Chefs Crave

    Cardoon: The High‑Value Hydroponic Crop Michelin Chefs Crave
    Dec 1 2025

    Dr Russell Sharp of Hydroponics Daily explores cardoon, a giant thistle related to globe artichoke, as a lucrative hydroponic crop ideal for small to medium grow rooms and a strong alternative to cannabis.

    He outlines the crop’s fast growth and large biomass, year‑round production potential under controlled conditions, easy propagation from rhizomes, and culinary demand from Lyonnaise and Michelin‑star kitchens. He also touches on pests to watch for and practical benefits of soilless cultivation.

    The episode includes practical cultivation notes and mentions Utrema’s fertilizers, biostimulants and biopesticides suited to cardoon production, plus a reminder to follow and review the podcast.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

    Mère Brazier – Mathieu Viannay

    Takao Takano – Takao Takano

    Le Neuvième Art – Christophe Roure

    Ombellule – Tabata Mey & Ludovic Mey

    Les Terrasses de Lyon – John Léon

    L’Atelier des Augustins – Nicolas Guilloton

    Prairial – Gaëtan Gentil

    Au 14 Février (Vieux Lyon) – Tsuyoshi Arai

    Têtedoie – Christian Têtedoie

    Burgundy by Matthieu – Matthieu Girardon

    Miraflores – Carlos Camino

    Rustique – Maxime Laurenson

    Michael Straumietis – Advanced Nutrients

    Lawrence Brooke – General Hydroponics

    William Texier – Terra Aquatica

    Noucetta Kehdi – Terra Aquatica

    William Van De Zwaan – House & Garden Nutrients

    Remo Colasanti – Remo Nutrients

    Sandra Colasanti – Remo Nutrients

    Steven Betts – GreenPlanet Nutrients

    Justin Cooper – GreenPlanet Nutrients

    Jay Jackson – Advanced Hydroponics of Holland

    Treg Bradley – Botanicare

    Stuart Dvorin – Hydrofarm

    Bill Toler – Hydrofarm

    John Lindemann – Hydrofarm

    Giles Gunstone – Growth Technology

    Greg Jarvis – Bluelab

    Jono Jones – Bluelab

    Jason Ralph-Smith – AutoPot Watering Systems

    Daniel Wilson – Current Culture H2O

    Kip Andersen – SuperCloset

    Eric Lang – ZipGrow

    Nate Storey – Bright Agrotech

    Kevin Jakiela – Just Vertical

    Conner Tidd – Just Vertical

    Ryan Chappell – Alien Hydroponics

    Louis Belloin – Techponics

    Adam Dixon – Phytoponics

    Luke Parkin – Phytoponics

    David Schmidmayr – Plagron Nutrients

    Jetze De Raad – Biobizz

    Luis Pinheiro – Biobizz

    Robert Higgins – Emerald Harvest

    Sharon Higgins – Emerald Harvest

    David Pratt – Emerald Harvest

    Gareth Hopcroft – Ecothrive

    Noah Miller – Black Dog LED

    Dima Chernobylski – GrowDirector

    Taisiya Jacobson – Pure Greens

    James Fleet – Bloemteknik

    Ted Tanner – Growlink

    David Holmes – Growlink

    Idan Avitan – Growee Controls

    Willy Winer – FoxFarm

    Jair Velleman – Gavita

    Jonathan Edwards – BudBox

    Erik H. – Secret Jardin

    Mike Kuma – Mills Nutrients

    Steve Webb – Plant Magic

    John Molyneux – Nutriculture

    Mike Biggs – CX Horticulture

    Kevin Richardson – Organic Plant Magic

    Tony – Hydrotops

    Steve Palmer – Bio Diesel Nutrients

    Mandy Jarvis – Bluelab

    Christian Long – Current Culture H2O

    Cheryl Wilson – Current Culture H2O

    Callie Seaman – Shogun Fertilisers

    Matej – Shogun Fertilisers

    Mark Benson – Plant Magic

    John Smith – Hydroeden

    Fran – Fran’s Hydroponics

    Ian – Critical Mass Systems

    Colin – Critical Mass Systems

    John Ramsey – Biobizz
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    7 min
  • HACK! Grow Your Own Predatory Mites: Slash Your Pest Control Costs

    HACK! Grow Your Own Predatory Mites: Slash Your Pest Control Costs
    Nov 30 2025

    Dr. Russell Sharp shares a practical hack to dramatically reduce pesticide and biocontrol costs by culturing predatory mites on bran or pollen. This method lets growers seed a small container with purchased predatory mites, grow their prey mites on a feedstock, and maintain a self-sustaining predatory population to protect crops.

    Key steps and precautions: buy untreated bran from an animal feed store, seed a small sealed container with purchased mites, keep warm with slight moisture, rotate harvests (use ~80% for release, keep ~20% to restart), and avoid storing bran near human food or large open volumes to prevent infestations. Works for leaf and soil predators and can be scaled from houseplants to large farms.

    https://eutrema.co.uk/shop/pesticides-organic/lime-sulphur/

    Roland De Jonghe – Biobest Group

    Silvia Todorova – Anatis Bioprotection

    Claude Robert – Anatis Bioprotection

    Don Elliott – Applied Bio-nomics

    Brian Spencer – Applied Bio-nomics

    José Vanzeler de Melo – Agronologica

    Patrick Charlot – Bioline AgroSciences

    David Ben-Zvi – BioBee Sde Eliyahu

    Moshe Sagiv – BioBee Sde Eliyahu

    Arnold Yasin – BioBee Sde Eliyahu

    Octávio Peres Neto – Biotrop

    Fábio Passos – Biotrop

    Fernando Reis – Biotrop

    Keith Jones – Certis Biologicals

    Robert G. Bouseman – Certis Biologicals

    Nicolas Gombault – M2i Life Sciences

    Philippe Guerret – M2i Life Sciences

    Marc Guillon – M2i Life Sciences

    Ted C. Jones – BioWorks

    Lorin R. Buhle Jr. – BioWorks

    Peter Quiring – A&L Biologicals

    Adrian Van Wyk – Real IPM Kenya

    Louise Labuschagne – Real IPM Kenya

    Paulo J. Freitas – Bug Agentes Biológicos

    Ruy F. Sampaio – Bug Agentes Biológicos

    Eric Johnson – Beneficial Insectary

    Doug Morrison – Beneficial Insectary

    Bill Grant – Rincon-Vitova Insectaries

    Patricia H. Hunt – Rincon-Vitova Insectaries

    Andreas Zimmermann – Andermatt Biocontrol

    Martin Andermatt – Andermatt Biovet

    Klaus Wyss – Biotop

    Axel Decourtye – Biotop

    Hans Peter Naef – Biohelp

    Jürgen Schmutterer – Biohelp

    Marcelo Poletti – Promip

    Ricardo Machione – Promip

    Ricardo Madureira – Koppert Biological Systems Brazil

    Fernando de Oliveira – Koppert Biological Systems Brazil

    Ken Ricker – Natural Insect Control

    Jim Bruce – Natural Insect Control

    Gavin F. Copping – Biological Services

    John Fien – Biological Services

    Mark Brownbridge – BioFungitek

    Phil Garrity – BioFungitek

    Christian Koch – E-nema

    Ralf-Udo Ehlers – E-nema

    Ravi K. Starzl – AEF Global

    Robert Masella – AEF Global

    Shachar Zehavi – Groundwork BioAg
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    13 min