The Doctor Is In

Dr. Greenhouse, Inc.
  • 5.0 (10)
  • Science
  • Updated Weekly

Dr. Nadia Sabeh is President and Founder of Dr. Greenhouse, Inc., an agricultural and mechanical engineering firm that specializes in the design of HVAC systems for indoor plant environments. This series of podcasts she hosts invites listeners to sit in on informative, fun, and insightful conversations Dr. Sabeh has with industry professionals working in environmental sciences, agriculture, and cannabis. We have just launched a new series, “What Plants Crave,” where Dr. Sabeh speaks with growers, researchers, and other experts in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what exactly it is that plants crave.

  1. 3d ago

    114. How to Reduce Fertilizer Use

    In the second episode of How to Succeed in CEA series, Dr. Nadia Sabeh shares 10 practical strategies on how growers can get more value from every dollar spent on nutrients and fertilizer. From testing source water quality and rethinking fertilizer formulations to recycling unused fertilizers and optimizing growing conditions, these strategies challenge growers to think about what their plants really need. Learn why nutrient deficiencies aren't always caused by insufficient fertilizer, how your HVAC system and growing environment affect nutrient uptake, and why buying premixed fertilizers might mean paying extra for something you already have: water! Most importantly, discover how to measure fertilizer savings against the costs of implementing new strategies and their effects on crop productivity. Because the goal isn't simply to use less fertilizer, it's to spend less money growing a healthy, profitable crop. Related Listening: Episode 113: How to Set Up Your Irrigation System for Success Related Reading: How To Reduce Your Fertilizer and Energy Costs By Dr. Nadia Sabeh | May 18, 2026 Intro Music: "Melody" by Luke Bergs & Waesto Artist: Luke Bergs on SoundCloud Music promoted by Chosic License: Creative Commons CC BY-SA 3.0

    114. How to Reduce Fertilizer Use

  2. Oct 6

    113. How to Succeed With Irrigation

    In the first episode of our How to Succeed in CEA series, Dr. Nadia Sabeh talks with irrigation experts Randy Nester and Jared Babik about how indoor and greenhouse growers can set up their irrigation systems for success. They discuss why you should start with the plant and work backward, what a water-quality test can tell you about treatment needs, when RO is and isn’t necessary, and how to plan for maintenance, redundancy, and future expansion. They also explore why successful irrigation design requires looking at the facility as a complete system and getting growers, vendors, engineers, and other consultants communicating early in the design process. About the Guests: Randy Nester is Vice President of Business Development at Anderson Injectors and brings more than 25 years of experience helping growers, farmers, and cultivators develop efficient, precise, low-maintenance fertigation and irrigation solutions for indoor, outdoor, greenhouse, and field-grown operations. Jared Babik is National Project Sales Manager at DrammWater and has worked in the horticulture industry for more than 20 years, helping growers improve efficiency through labor-saving techniques, automation, water management systems, and integrated irrigation solutions. Intro Music Credits: Melody – Luke Bergs & Waesto | https://soundcloud.com/bergscloud/ Music promoted by https://www.chosic.com/free-music/all/ Creative Commons CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/

    113. How to Succeed With Irrigation

  3. Oct 5

    112. How to Succeed in CEA - Intro

    Welcome to our new series How to Succeed in CEA! Join Dr. Nadia Sabeh as we roll up our sleeves and learn the “how” of controlled environment agriculture. We’ll talk with growers, suppliers, contractors, and other industry professionals about what it takes to design, build, operate, and grow a thriving CEA business. Along the way, we’ll share equipment mishaps, success stories, and practical tips to help you avoid common pitfalls and keep growing.

    112. How to Succeed in CEA - Intro

  4. Feb 19

    111. Indoor Ag Con 2026 Takeaways

    It’s an honor to present you with a series of interviews from our time at Indoor Ag Con last week! Hearing from attendees is a great insight into the conference content, the expo floor energy, and what’s possibly to come in the future of the conference, as well as the indoor agriculture industry as a whole. This year’s guests were: 🔹 Gene Giacomelli, Professor Emeritus Controlled Environment Agriculture Center at the University of Arizona 🔹 Jared Babik: National Project Sales Manager, Dramm 🔹 Ryan Lesniewski: Consultant, Evolve Agriculture 🔹 Rodrigo Pereyra: VP R&D and Innovation, Good Leaf Farms 🔹 Dominick DiMucci: Director of Cultivation, Haven Greens 🔹 Nick Denney: Director of Product Innovation, Holistic Industries 🔹 Michelle Keller: Chief Horticulture Officer, Living Greens 🔹 Sergio Picazo and Anthony Jones: Founders of PowrHouse 🔹 David Sandelman: Owner/Inventor, Cannatrol 🔹 Lehren Olk-Szost: Assistant Professor, Northern Michigan University 🔹 Aaron Fields: Chief Executive Officer, Campo Caribe Thank you so much for spending 100 episodes growing with us. Learn more about this year’s Indoor Ag Con here. Intro Music Credits: Melody – Luke Bergs & Waesto | https://soundcloud.com/bergscloud/ Music promoted by https://www.chosic.com/free-music/all/ Creative Commons CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/ 🔹 Brian Sullivan, President of Indoor Ag Con 🔹 Kelley Nicholson, Automation Expert for MicrogGow and Autogrow 🔹 Jim Rearden, President of Biotherm 🔹 Michelle Keller, Head Grower at Living Greens 🔹 Carly Becker, Program Coordinator at Ohio Controlled Environment Agriculture Center (OHCEAC) 🔹 Glenn Behrman, Founder of CEA Advisors and Growtainers 🔹 Henry Gordon Smith, Founder of Agritecture 🔹 Austin Smith, Account Manager at Grodan 🔹 Dr. Allison Justice, Founder of the Cannabis Research Center and Coalition 🔹 Grant Peagler, Business Developer at Siemens 🔹 Dr. Neil Mattson, Professor at Cornelll University and GLASE. The discussions cover topics such as automation, energy efficiency, crop steering, and the future of controlled environment agriculture. This milestone episode offers a comprehensive overview of current trends and innovations shaping the indoor farming industry. Thank you so much for spending 100 episodes growing with us. Intro Music Credits: Melody – Luke Bergs & Waesto | https://soundcloud.com/bergscloud/ Music promoted by https://www.chosic.com/free-music/all/ Creative Commons CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/

    111. Indoor Ag Con 2026 Takeaways

  5. 10/21/2025

    110. Canadian Greenhouse Conference Takeaways

    We are back with more expo floor interviews! This week Nadia’s interviews come from the Canadian Greenhouse Conference, where Nadia presented about "Optimizing Airflow & Climate Control” This year’s takeaway guests were: 🔹 Kevin Meier, Vice President and General Manager of Argus 🔹 Peggy Paskell, Peg’s Country Blooms and Greenhouse 🔹 Amos Bassi, Senior Plant Specialist for Philips Horticulture 🔹 Paul Arena, Greenhouse Climate Consultant for Ludvig Svensson 🔹 Miguel Ayuso, International Commercial and Operations Agent for MSC Greenhouses 🔹 Victoria Buma, General Manager, Berry Growers of Ontario Intro Music Credits: Melody – Luke Bergs & Waesto | https://soundcloud.com/bergscloud/ Music promoted by https://www.chosic.com/free-music/all/ Creative Commons CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/

    110. Canadian Greenhouse Conference Takeaways

  6. 09/03/2025

    109. Dr. Greenhouse Lessons: What is VPD?

    This episode is part of a series of episodes that Dr. Sabeh presents as lessons, or mini lectures. They’ll cover the basics and nuances of HVAC and the importance of environmental controls. This week we are reviewing our hottest topic: VPD. What is it? Why does it matter? How can you use it to help your plants thrive in your indoor growing environment? We wanted to provide more information about a crucial factor in your growing process. Remember to check out our other VPD content, like the app walkthrough, the calculator, and our blogs. Thank you for growing with us!

    109. Dr. Greenhouse Lessons: What is VPD?

  7. 07/09/2025

    108. Dr. Greenhouse Lesson Reviews: 6 Tips for Keeping Your Greenhouse Cool

    The Doctor Is In

    108. Dr. Greenhouse Lesson Reviews: 6 Tips for Keeping Your Greenhouse Cool

  8. 06/24/2025

    107. What Plants Crave feat. Gretchen Schimelpfenig: CEA Energy Management

    Wrapping up our series discussing energy in all forms and its impact and function in CEA facilities is Gretchen Schimelpfenig! Gretchen is a Senior Energy Engineer at Energy Resources Integration, LLC (ERI), a clean energy consulting firm developing a sustainable future for our planet through cost-effective energy management. She is responsible for implementing energy efficiency and emerging technology programs and providing direct consulting services. Gretchen has seven years of experience in Controlled Environment Agriculture (CEA) and has worked for 11 years in the energy industry. Gretchen is a registered Professional Civil Engineer in California and Vermont. She obtained her master’s degree in Civil Engineering from Stanford, where she studied sustainable design and construction with an energy emphasis and was a Schneider Fellow at the U.S. Green Building Council. Gretchen resides in Huntington, Vermont, with her partner, their five cats, and many houseplants.

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Ratings & Reviews

5
out of 5
10 Ratings

About

Dr. Nadia Sabeh is President and Founder of Dr. Greenhouse, Inc., an agricultural and mechanical engineering firm that specializes in the design of HVAC systems for indoor plant environments. This series of podcasts she hosts invites listeners to sit in on informative, fun, and insightful conversations Dr. Sabeh has with industry professionals working in environmental sciences, agriculture, and cannabis. We have just launched a new series, “What Plants Crave,” where Dr. Sabeh speaks with growers, researchers, and other experts in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what exactly it is that plants crave.

Information

  • Creator
    Dr. Greenhouse, Inc.
  • Years Active
    2020 - 2026
  • Episodes
    113
  • Rating
    Clean
  • Show Website
    The Doctor Is In