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Root Zone Management Podcasts

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RhizoMetRx is where dirt meets data. Agronomist Faith breaks down the chemical, physical, and biological factors driving crop performance—going beyond outdated checklists to deliver real, actionable agronomy. If you’re ready to understand the hidden half of the plant, improve profitability from the root up, and rethink soil fertility, this podcast is for you.
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Step into the world of indoor cannabis cultivation with the Grodan GroShow Podcast, your reliable source of rootzone management. Join host Riley Jones as he explores cutting-edge stone wool growing techniques and industry insights with experts and growing legends from across the globe. Whether you're a seasoned grower or just starting out, the GroShow is your go-to podcast for growing quality cannabis at any scale, batch after batch.
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Those Who Dare

IRONBOUND Media, Sherman Williams, Emily McMahan, Mike Steadman

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Welcome To Those Who Dare, where we amplify the voices of military veterans who consistently step outside their comfort zone, and go above and beyond society's expectations. If you’re a military veteran and want to learn about the innovation ecosystem and how to participate in it as an investor, employee, or entrepreneur, then you’ve come to the right place. This series is brought to you by the team at AIN Ventures, a seed-stage venture fund founded by Service Academy graduates. Subscribe to ...
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In this episode of Rhizometrx, host Faith is joined by Mason Claude, a self-described "agronomy nerd" and BW Fusion agronomist. They dive deep into why relying solely on yield to evaluate product performance is a mistake that could be costing you money. Together, they challenge the "trend line yield" mindset and offer practical, data-driven methods…
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In this special Christmas episode of Rhizometrx, Faith and Sean Nettleton (host of CropCast) continue their deep dive into agronomy's "hard pills to swallow." Building on last week's discussion about grid sampling and planting populations, Part 2 tackles even bigger misconceptions. The duo explains why traditional PPM values on a soil test rarely c…
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Send us a text Ryan Lee of Chimera Genetics joins Grodan Crop Specialist Chad Rigby and host Riley Jones for a deep conversation on how cannabis genetics and cultivation strategy come together in controlled environments. Drawing from decades of breeding and research experience, Ryan breaks down how genetic potential is established, classified, and …
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In this episode of Rhizometrx, host Faith is joined by Sean Nettleton, host of the Crop Cast and Technical Agronomist at BW Fusion. Sean has been a key mentor in Faith’s journey away from traditional agronomy, and together they tackle the "hard pills to swallow" that many growers face when rethinking their management strategies. From admitting that…
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In this episode of RhizoMetRx, host Faith is joined by Nebraska natives Kyle Olson and Chase Perry to dismantle the "grid sampling" status quo. Together, they explore the shift to zone management through the Baseline protocol and share real-world examples of "ground truthing" soil data. Listeners will gain insights into why nature doesn't grow in p…
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In this episode of RhizoMetRx, host Faith sits down with agronomist and Next Level Ag Labs part-owner Jason Schley to explore why traditional fertility models often fall short—and what growers can do instead. Together, they dive into the development of the Indicator Test, the value of zone-based management, and how understanding soil biology can un…
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Welcome to the launch of RhizoMetRx, the podcast where agronomy meets actionable insights. In this episode, host Faith—farmer’s daughter, farm wife, entrepreneur, and agronomist—shares her journey from growing up on a dairy farm in Wisconsin to running a seed and agronomy business in Northeast Illinois. Faith explains what inspired her passion for …
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Send us a text In this special episode, we unpack one of Grodan’s most significant cannabis research milestones to date. Crop Specialist Chad Rigby returns to break down the findings behind our new whitepaper, Impressively high yields are reality for cannabis growers, highlighting how precision irrigation, EC management, and autoflower F1 hybrid se…
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Agronomy didn’t begin in a lab—it started in the field, guided by instinct, observation, and a deep understanding of the land. But somewhere along the way, the art of agronomy was squeezed into formulas, checklists, and oversimplified recommendations that no longer meet the realities growers face today. RhizoMetRx is here to change that. Hosted by …
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Send us a text In Part 2 of our “Start Clean, Stay Clean” series, we shift the focus from the root zone to the canopy — and why what happens above ground often reflects the strength of your entire cultivation system. Zac Ricciardi (BioSafe Systems) returns alongside Grodan Crop Specialist Jon Jirikovec to share real-world strategies for dialing in …
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Send us a text It’s a mindset that guides this deep dive into the root zone on Episode 24 of the GroShow Podcast, as Zac Ricciardi (BioSafe Systems) and Jon Jirikovec (Grodan) join host Riley Jones to explore the underlying root zone conditions that can affect crop uniformity — and how dialing them in unlocks better data, healthier crops, and preci…
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Send us a text In Episode 23 of the GroShow Podcast, host Riley Jones is joined by Kaz Makarewicz (Product Owner, e-Gro) and Chad Rigby (Crop Specialist) to explore how growers are using Grodan’s all-in-one root zone monitoring system — the GroSens Suite — to improve irrigation strategy and crop steering. From setting up sensors and configuring roo…
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Send us a text In Episode 22 of the GroShow Podcast, host Riley Jones heads to the East Coast to sit down with Zach Wise and Tim Larson from Happy Valley — a vertically integrated cannabis company in Massachusetts known for precision, consistency, and award-winning flower. Together, they explore how Happy Valley built a high-performance cultivation…
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Send us a text In Episode 21 of the GroShow Podcast, host Riley Jones is joined by Grodan Crop Specialist Jon Jirikovec and Anders Peterson and Michael Williamson from PIPP Horticulture for part two of a special mini-series with the Cultivation Elevated podcast. If you caught part one on Cultivation Elevated, you’ll recognize today’s guests — and t…
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Send us a text In Episode 20 of the GroShow Podcast, host Riley Jones welcomes Grodan Crop Specialist Jon Jirikovec for a deep dive into one of the most important (and often underestimated) parts of a successful grow: initial substrate saturation and rooting strategy. From troubleshooting dry-back issues to dialing in daily irrigations, Jon shares …
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Send us a text In episode 19 of the GroShow Podcast, host Riley Jones sits down with Jared Toogood of Plant Nerd to break down the techniques helping growers fine-tune their operations. From advanced lighting strategies to precision irrigation and pheno-hunting for elite genetics, this episode is packed with actionable insights. Jared shares how re…
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Send us a text Chris Carlino and Scott Judd from Blue Goose Flower share how they’ve perfected indoor cannabis cultivation in a competitive market on this episode of the Grodan GroShow Podcast. Based in Sacramento, California, Blue Goose Flower has overcome challenges to achieve success by transitioning to Grodan stone wool, leveraging the GroSen S…
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Send us a text In episode 17 of the GroShow Podcast, host Riley Jones is joined by Frank Janssen and Chad Rigby of Grodan, F1 SeedTech's Maikel de Bresser, and Simon Charette from CRIC Labs to unpack the game-changing results of ongoing cannabis trials at the CRIC Research Center in Montreal, Canada. What if your cannabis cultivation could be more …
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Send us a text In episode 16 of the GroShow Podcast, host Riley Jones is joined by Grodan Crop Specialist Jon Jirikovec, along with Courtney Bridges, Travis Dahm, and Gary Holland from Endless Biotech. During the show, we learn about Endless Biotech's experience using Grodan stone wool and why they prefer it over other growing mediums. The discussi…
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Send us a text In episode 15 of the GroShow Podcast, host Riley Jones sits down with Taylor Kirk, a Horticulture Service Specialist at Fluence, to discuss the evolution of horticultural lighting, making the switch from HPS to LED, the most common light levels, the effects of far-red light and more. Discover the vital role of light spectrums, the pi…
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Send us a text In episode 14 of the GroShow Podcast, host Riley Jones is joined once again by Shaye Donald, Account Manager at Grodan, as well as first-time guest Taylor King, Cultivation Manager at Victoria Cannabis Co., a beautiful micro-cultivation located in the heart of Victoria, British Columbia. During the show, we talk about art and science…
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Send us a text In episode 13 of the Grodan GroShow Podcast, host Riley Jones sits down with Shaye Donald, Account Manager at Grodan, and industry expert Kevin Cullum, Commercial Manager at Koppert, to discuss what an Integrated Pest Management (IPM) plan is and how it can revolutionize facility. Join us as Kevin guides us through the essential step…
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Send us a text Join host Riley Jones, along with special guests Cole Williams, Master Grower at Medical Saints, and Chad Rigby, Crop Specialist at Grodan, as they explore the future of indoor cannabis cultivation. Their combined expertise paints a vivid picture of the progression from "bro science" to precision growing powered by data and technolog…
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Send us a text Are you looking to master propagation and prevent common problems cannabis growers often experience during this pivotal phase of growth? Then tune in to episode 11 of the GroShow Podcast, featuring host Riley Jones and guest Chad Rigby, Crop Specialist at Grodan. On the show, we discuss the importance of the all-new Grow Guide and br…
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Send us a text By controlling how and when a substrate opens up irrigation channels, cultivators can become more efficient in their craft, leading to more significant profits and healthier crops for future generations. In episode 10 of the GroShow Podcast, host Riley Jones and Crop Consultant Ben Feldman explain why water channelling is a natural a…
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Send us a text Ready to unlock the secrets of maximizing plant health and yield? If so, we have the perfect episode of The GroShow Podcast for you. In our latest installment, "Harnessing the Power of Microbes to Maximize Plant Productivity," we delve into the world of cannabis cultivation and explore new ways to boost plant performance and maximize…
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Send us a text Have you ever wondered how industry leaders navigate the often unpredictable and ever-changing landscape of the nursery and hydroponics industry? In episode 8 of the GroShow Podcast, host Riley Jones chats with Sparetime Supply President/CEO Andrew Hosford and Regional Sales Manager Travis Mitzel. During the show, we cover everything…
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Send us a text In episode 7, we sit down with Wesley Allen, Cultivation Manager at Ritual Green, a state-of-the-art facility in beautiful Windsor, Nova Scotia. During the show, Wes and the guys discuss everything from new strains and the joy of pheno-hunting to the benefits of Grodan stone wool and why working with expert crop consultants, like the…
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Send us a text In episode six of the Grodan GroShow Podcast, host Riley Jones and Crop Consultant Chad Rigby are joined by special guests, the passionate Jeff and Sheri Aubin, founders of Smoker Farms, a beautiful micro-cultivation located in Kelowna, BC. Throughout the show, Jeff and Sheri provide valuable insight into the ups and downs of cannabi…
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Send us a text We’re excited to announce the return of the Grodan GroShow Podcast with the release of an all-new episode featuring expert crop consultant at Grodan, Chad Rigby. During episode five, we delve into innovative techniques for rootzone management and precision growing, how to prevent algae growth and the importance of initial saturation …
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On today’s episode, Sherman and Mike interview Brad Harrison, Founder & Managing Partner of Scout Ventures. They discuss Brad’s time at West Point, what pushed him to leaping into the VC world, and how he is pushing the envelope of technology innovation at Scout Scout VC: https://www.scout.vc/ Subscribe to Those Who Dare on iTunes, Spotify, or your…
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On today’s episode, Sherman and Mike interview Bruce Cahan, co-founder and president of Urban Logic, Inc., a New York nonprofit qualified in California, an Ashoka Fellow social entrepreneur and a Stanford CodeX Fellow. Bruce explores his personal history, how that informs his mission of equality today, and how the new wave of entrepreneurship can t…
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On today’s episode, Sherman and Mike break down the origins of “Those Who Dare”, the goal of creating the show. They discuss their journeys to their individual ventures, the importance of bringing your whole self to entrepreneurship, and the shared goal of lifting as we climb Subscribe to Those Who Dare on iTunes, Spotify, or your favorite listenin…
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Send us a text In the fourth episode of the GroShow Podcast, Dave and Riley are joined by special guest Nicholas Sosiak, CFO at Cannara Biotech, located in beautiful Valleyfield, Quebec. During the show, Nicholas details his journey into the cannabis industry, how Cannara came to be, his love of genetics, the joys and challenges of the Canadian can…
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Send us a text In episode three, Dave and Riley are joined by Chad McCoy (a.k.a. Cheddar), owner/cultivator of The Real McCoy, located in Carson City, Nevada. The Real McCoy is family owned and operated, with over 25 years of growing experience. During the show, we learn about how The Real McCoy came to be, what went into building his remarkable fa…
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Send us a text Dave and Riley are joined by special guest Jonathan Stemeroff, Senior Irrigation Systems Designer at Innovative Growers Equipment and Chad Rigby, Technical Crop Advisor at Grodan, in episode two. From best practices to common misconceptions, Jonathan and Chad utilize their years of experience and green knowledge to educate and inspir…
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Send us a text In the first episode of the Grodan GroShow, co-host Dave and Riley sit down with guest Chad Rigby, Technical Crop Advisor at Grodan, to discuss best practices and common misconceptions when growing cannabis in Grodan stone wool. From choosing the ideal gro-block for your facility to the importance of keeping an irrigation schedule, t…
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Welcome To Those Who Dare, where we amplify the voices of military veterans who consistently step outside their comfort zone and go above and beyond society's expectations. Today, Mike and Sherman are joined by Emily McMahan, General Partner at AIN. Emily dives into her journey from the military to AIN, how her family has shaped her path, and all t…
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On this week’s episode, we continue our conversation with Sam Cook, Former Troop Commander, CEO of Sanity Desk, and Founder and Executive Director of Borderlands Foundation, that we began last week. Sherman and Sam explore Sam’s expertise as a Russian history professor, and the history surrounding the current conflict in Ukraine. Subscribe to Those…
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On today’s episode of Those Who Dare, Sherman, Mike & Emily speak with Sam Ellis, Partner at Scout Ventures. They discuss the overwhelming positivity they see in the veteran entrepreneurial space, what partners need to be looking for in startups, and the importance of mindset. Subscribe to Those Who Dare on iTunes, Spotify, or your favorite listeni…
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On this week’s episode, Sherman and Emily sit down with producer of the show, Mike Steadman. They discuss Mike’s recent announcement of his first book, “Black Veteran Entrepreneur '', a guide to validate your business model, build your brand, and step into your greatness. They discuss Mike’s journey to write the book, his goals, and the exciting op…
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On today’s episode of Those Who Dare, Sherman sits down with Sam Cook, Former Troop Commander, CEO of Sanity Desk, and Founder and Executive Director of Borderlands Foundation. With experience as a Russian history professor and being based in Ukraine, Sam delves into the intricacies of the Russian invasion of Ukraine, his company's response, and th…
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