Climate Control

The Advantages of Naturally Ventilated Commercial Greenhouses

As we start to prepare for the warmer months that may seem far away with the late snow flurries and colder temperatures we’ve experienced this spring (hurry up summer!), it’s easy to forget the uncomfortable heat that those warmer months bring. When temperatures can rise to an unbearable 111°F we’re lucky to have air conditioning in our …

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Maximize photosynthesis with moving air

We measured greenhouse carbon dioxide (CO2) concentrations within the  leaf canopy of roses grown for cut flowers over several years. Often, during the day we found the CO2 concentration was depleted to levels as low as 225 ppm, even though vents were opened. Apparently, CO2 was being absorbed quickly by the rose leaves and  fresh air was not moving sufficiently …

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Four Keys to Optimal Air Flow in the Greenhouse

Maintaining consistent air flow in the greenhouse is critical to producing healthy plants. However, there are different theories as to how to achieve an optimal air flow system. The true goal of any air distribution system in the greenhouse, Becker says, should be to homogenize the air, as plants can transpire more evenly and efficiently …

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Air Purification in Hydroponics and Indoor Growing

The purification of air is one of the most ignored factors of indoor growing activity. Since most airborne pathogens are not visible, yet overlooking this factor could welcome a wide range of issues into the growing room. Indoor horticulturists invest a great amount of money and cash attempting to give perfect natural conditions to their …

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