PODCAST · science
The Doctor Is In
by Dr. Greenhouse, Inc.
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.
Episodes
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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...
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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...
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112. Introducing: How to Succeed in CEA Series
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...
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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…
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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…
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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…
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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...
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106. What Plants Crave feat. Jeff Kelley: Energy Modeling in CEA
Welcome back to our new series with several interviews discussing energy in all forms and its impact and function in CEA facilities. In this episode Nadia and Jeff Kelley of Kelley Energy Management discuss energy modeling and utility incentives for CEA facilities.. Jeff is a seasoned…
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105. What Plants Crave feat. Dan Dettmers: Energy Codes and Standards for CEA
Welcome back to our new series with several interviews discussing energy in all forms and its impact and function in CEA facilities. In this fourth episode Nadia and Dan Dettmers of Madison Air discuss energy efficiency and regulatory guidelines given by local, state, and federal agencies...
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103. What Plants Crave feat. Rob Eddy: Energy Saving Opportunities and Challenges in CEA
Welcome back to our new series with several interviews discussing energy in all forms and its impact and function in CEA facilities. In this second episode Nadia and Rob Eddy of the Research Innovation Institute discuss energy saving best practices and tell stories about their greenhouse...
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102. Dr. Greenhouse Lessons: What Is Energy?
Welcome back to the lecture hall with Dr. Nadia Sabeh! This week we are beginning our new series with several interviews discussing energy in all forms and its impact and function in CEA facilities. In this first episode Nadia reviews how energy is defined, its importance in CEA, and some terms…
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101. A Look Back at the First 100 Episodes with Guest Host Tad Hussey
Enjoy a host interview with Tad Hussey from KIS Organics living soils and the host of the Cannabis Cultivation and Science podcast guest hosting for this episode! This is an opportunity to learn about Nadia's background as an agricultural and HVAC engineer and how we got to 101 episodes of...
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100. Indoor Ag Con 2025 Takeaways: Voices from the Industry on Automation, Energy, and the Future of CEA
It’s an honor to present you with a series of interviews from our time at Indoor Ag Con last week for our 100th episode! Hearing from attendees is a great insight into the content, the expo floor energy, and what’s possibly to come in the future of the conference, as well as the indoor…
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99. That’s a Good Question!
As we approach our 100th episode, we are taking a look back at moments that highlight one of Nadia’s special talents: asking great questions. It’s a strength that has helped her solve many a problem for our clients, and get some great insights from our guests. What are they going to be talking...
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89. What Plants Crave feat. Fatemeh Sheibani: Using Close Canopy Lighting to Enhance Yields and Increase Energy Efficiency
This episode is part of our “What Plants Crave” series, where Dr. Sabeh speaks with growers, researchers, engineers, and manufacturers who work in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what exactly it is that plants crave. In...
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88. What Plants Crave feat. Neil Mattson part 2
This episode is part of our “What Plants Crave” series, where Dr. Sabeh speaks with growers, researchers, engineers, and manufacturers who work in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what exactly it is that plants crave.…
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87. What Plants Crave feat. Neil Mattson part 1
This episode is part of our “What Plants Crave” series, where Dr. Sabeh speaks with growers, researchers, engineers, and manufacturers who work in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what exactly it is that plants crave.…
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86. What Plants Crave feat. Nico Augsburger: Data-Driven Lighting Solutions for a Smarter Growing Future
This episode is part of our “What Plants Crave” series, where Dr. Sabeh speaks with growers, researchers, engineers, and manufacturers who work in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what exactly it is that plants crave.…
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85. What Plants Crave feat. Emma Menden: Researching Lettuce Resilience and Pursuing Equity in CEA
Emma Menden, a recent graduate of the University of Arizona's Biosystems Engineering program, discusses her master's thesis on Fusarium wilt in lettuce cultivars. She shares her journey from civil engineering to controlled environment agriculture (CEA), emphasizing her interests in vertical...
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84. What Plants Crave feat. John Ertle: Combatting Leaf Tipburn and Chilling Stress in Leafy Greens and Watermelons
This episode is part of our “What Plants Crave” series, where Dr. Sabeh speaks with growers, researchers, engineers, and manufacturers who work in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what exactly it is that plants crave.…
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83. What Plants Crave feat. Paul Brentlinger: Supporting Growers with Scalable and Sustainable Hydroponic Systems
This episode is part of our “What Plants Crave” series, where Dr. Sabeh speaks with growers, researchers, engineers, and manufacturers who work in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what exactly it is that plants crave.…
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82. What Plants Crave feat. Corenthin (Felix) Chassouant: Greenhouse Production in Tropical Regions
This episode is part of our “What Plants Crave” series, where Dr. Sabeh speaks with growers, researchers, engineers, and manufacturers who work in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what exactly it is that plants crave.…
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81. What Plants Crave feat. Aaron Fields: How Cooperative Competition in CEA Can Create Business and Industry Success
This episode is part of our “What Plants Crave” series, where Dr. Sabeh speaks with growers, researchers, engineers, and manufacturers who work in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what exactly it is that plants crave.…
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80. Dr. Greenhouse Lessons: 5 Things to Know About Airflow
In this podcast Dr. Nadia breaks down five of the things you need to know about airflow: The difference between airflow, air velocity, and air change rates Why airflow is important for indoor plant environments What airspeed to target across your plants How to deliver airflow in the grow space…
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79. Indoor Ag-Con 2024 Takeaways: Trends and Innovations from the Indoor Ag Industry’s Biggest Gathering
Last week Dr. Sabeh and some of her team traveled to Las Vegas for the 2024 Indoor Ag-Con. Dr. Sabeh hosted an event and workshop, Vivid Canopy, with Nona Yehia, George Carter, and Thea Isabella Otto to celebrate diversity and inclusion in our industry. The conference itself has grown immensely...
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78. What Plants Crave feat. Dr. Allison Justice: The Science of Drying and Curing Cannabis
This episode is part of our “What Plants Crave” series, where Dr. Sabeh speaks with growers, researchers, and other experts in other engineers, growers, and manufacturers who work in controlled environment agriculture, to get their insights about the direction of the industry, and of course, what...
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77. What Plants Crave feat. Bruce Bugbee: Lighting, Plant Physiology, and Growing Beyond Earth
In our latest episode of "What Plants Crave" Dr. Nadia Sabeh talks with Bruce Bugbee about lighting, the dangers of anthropomorphizing plants, ideal crops for space, and more. Bruce is a Professor at Utah State University where he teaches plant nutrition, plant physiology, and environmental...
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76. What Plants Crave feat. John Libby: Veteran Perspectives on Cannabis Cultivation and Industry Growth
In our latest episode of "What Plants Crave" Dr. Nadia Sabeh talks with Navy veteran John Libby about his time in the military, and his transition to working in the cannabis industry. John is the general manager at Connected Cannabis, an Arizona cannabis company. The conversation delves into the...
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75. What Plants Crave feat. Brian Anderson: Designing Cannabis Facilities with Compliance and Efficiency in Mind
Are you planning to build a new cannabis cultivation facility? Hiring a qualified and experienced Architect can be key to the success of not only the design process, but also of ensuring you're meeting the local buildings codes and licensing requirements, the operational and workflow efficiency,...
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74. Return to the Roots: 2020 Interview with John Chandler
Welcome back to the doctor is in! We are entering our fourth year of podcasting, and looking back at our start. We started the podcast during the peak of the 2020 COVID Quarantines, in an effort to continue to speak with our colleagues when we could no longer meet in person. Over the next few…
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73. Return to the Roots: 2020 Interview with Dr. Mark Lefsrud
Welcome back to the doctor is in! We are entering our fourth year of podcasting, and looking back at our start. We started the podcast during the peak of the 2020 COVID Quarantines, in an effort to continue to speak with our colleagues when we could no longer meet in person. Over the next few…
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72. Return to the Roots: 2020 Interview with Allison Justice
Welcome back to the doctor is in! We are entering our fourth year of podcasting, and looking back at our start. We started the podcast during the peak of the 2020 COVID Quarantines, in an effort to continue to speak with our colleagues when we could no longer meet in person. Over the next few…
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71. Return to the Roots: 2020 Interview with Tom Buggia
Welcome back to the doctor is in! We are entering our fourth year of podcasting, and looking back at our start. We started the podcast during the peak of the 2020 COVID Quarantines, in an effort to continue to speak with our colleagues when we could no longer meet in person. Over the next few…
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70. Return to the Roots: 2020 Interview with Chris Higgins
Welcome back to the doctor is in! We are entering our fourth year of podcasting, and looking back at our start. We started the podcast during the peak of the 2020 COVID Quarantines, in an effort to continue to speak with our colleagues when we could no longer meet in person. Over the next few…
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69. What Plants Crave feat. Christine De Jesus: Living Soils Bonus Episode
Today’s episode continues our special series “What Plants Crave.” We will be returning to an interview with Christine De Jesus to follow a side conversation about living soils. Christine DeJesus is Director of Cultivation for Galenas, a tier-2 organic cultivation facility in Ohio. She nears…
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68. 2023 Workshop Takeaways
Last week we hosted our popular HVAC and Controls Workshop! Hear a little about what our attendees learned and thought about it. This episode summarizes the insights and feedback from attendees of the 2023 HVAC and Controls Workshop. Participants shared their experiences and the valuable…
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67. Dr. Greenhouse Lessons: 3 Greenhouse Trends to Watch
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 Dr. Sabeh reviews the three greenhouse trends that she is personally watching. You can read the...
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65. Dr. Greenhouse Lessons: 4 Energy Efficiency Tips for Greenhouses
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 Dr. Sabeh reviews what she heard at this year’s NGMA (National Greenhouse Management Association)...
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64. What Plants Crave feat. Dr. Melanie Yelton: Optimizing Plant Growth Through Light and Environmental Control
Today’s episode continues our new special series “What Plants Crave from STEM.” In this new series, Dr. Sabeh will be interviewing equipment suppliers, manufacturers, and developers about the unique technological needs for growing crops indoors and greenhouses. This week our guest was Dr. Melanie...
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63. What Plants Crave feat. Craig Burg: Air Conditioning in CEA pt. 2: Future Trends in HVAC Technology for CEA
Today’s episode continues our new special series “What Plants Crave from STEM.” In this new series, Dr. Sabeh will be interviewing equipment suppliers, manufacturers, and developers about the unique technological needs for growing crops indoors and greenhouses. This week we are continuing last...
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62. What Plants Crave feat. Craig Burg: Air Conditioning in CEA pt. 1: Designing HVAC Systems for Optimal Plant Environments
Today’s episode continues our new special series “What Plants Crave from STEM.” In this new series, Dr. Sabeh will be interviewing equipment suppliers, manufacturers, and developers about the unique technological needs for growing crops indoors and greenhouses. This week we are talking to Craig...
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ABOUT THIS SHOW
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.
HOSTED BY
Dr. Greenhouse, Inc.
CATEGORIES
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Frequently Asked Questions
How many episodes does The Doctor Is In have?
The Doctor Is In currently has 75 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is The Doctor Is In 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...
How often does The Doctor Is In release new episodes?
The Doctor Is In has 75 episodes. Check the episode list to see recent publication dates and frequency.
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Who hosts The Doctor Is In?
The Doctor Is In is created and hosted by Dr. Greenhouse, Inc..
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