Humidity control in greenhouses and other indoor plant environments

When choosing dehumidification equipment, there are a number of variables that have to be considered to ensure that it operates effectively with the crop and production facility. In this webinar Dr. Nadia Sabeh will discuss: How to transition from indoor production facilities to greenhouses. How to select a dehumidification system. The impact of plants on […]

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‘HVAC – Controlling the Environment to Control Plant Responses’ by Nadia Sabeh (Dr. Greenhouse)

This month’s indoor ag science café was on HVAC – heating, ventilation, and air-conditioning for indoor farms. Dr. Nadia Sabeh at Dr. Greenhouse explained basics of HVAC and introduced key parameters for plant growth, such as temperature, humidity, VPD (vapor pressure deficit), CO2 and air movement. She also reminded us that a well-designed HVAC system is […]

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Desert Aire Outlines Impact Of Grow Room Vapor Pressure Deficit On HVAC System Design In New Application Note 28

Crop yield improved by proper choices, integrated environmental control Milwaukee, WI, USA – Desert Aire, a Milwaukee-based manufacturer of commercial and industrial humidity and climate control systems, has published a new technical resource that explains how carefully defining grow room Vapor Pressure Deficits can produce maximum yields and have favorable impacts on the capital and […]

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Green Sense Farms to Convert Portage Farm to R&D

Green Sense Farms is transforming its Portage, Indiana farm into a state-of-the art research and development center to advance its indoor vertical growing systems and test new cultivars.  It will test LED horticultural lighting, HVAC systems, automation controls and sensing devices, along with modern conveyance and packaging automation equipment, announced Robert Colangelo, CEO and Founding […]

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Growing in a “perfect” greenhouse climate

Originally published in Issue 16 Although it may be difficult to create the perfect greenhouse climate for growing plants, there are variables growers can control to maximize plant growth. Regardless of the type of crop being grown in a greenhouse, the climate a grower is trying to achieve requires controlling the same variables. “Greenhouse growers […]

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How HVAC maintenance can save you money

Originally published in Issue 12 Proper HVAC Maintenance Delivers Savings and Reliability By John Zimmerman Learn what preventive maintenance should be done on a controlled environment agriculture heating, ventilation and air conditioning system and what it can cost you if it’s not. In Urban Ag News Issue 11, I introduced Jeffrey Orkin, CEO at Greener […]

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Workshop: HVAC Fundamentals for Growing Indoors

How to leverage environmental control for profitability Whether you’re growing in a greenhouse, warehouse, or container, climate management is key to the success of your operation. If you’re ready to improve your understanding of HVAC systems, how they impact crop health and productivity, and aren’t afraid to use a calculator, this hands-on workshop is for […]

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The Worst Mistake a Farmer Can Make in HVAC Design

By Amy Storey   Controlling the climate is a top concern for indoor farmers, both in controllability and operating costs. It should be, since climate is largely responsible for crop health and avoiding crop losses. HVAC (Heating, Ventilation, and Air Conditioning) systems are the best way to maintain ideal growing conditions to help optimize yield and […]

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Urban Ag News Issue 11

Urban Ag News Online Magazine Issue 11

Click here to download the issue. Urban Ag News Issue 11  |  October 2015 Greenhouse growers continue to look for ways to produce their crops more sustainably. Houweling’s Tomatoes new greenhouse tomato operation in Mona, Utah, takes sustainability to the next level by incorporating waste heat and carbon dioxide from a neighboring power plant in this […]

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