Five important things you should know about humidity in hydroponics
Humidity is one of the most important metrics in hydroponic culture. In order to have a successful crop it is critical to understand what humidity actually is, how we measure…
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Vapor pressure deficit (VPD) in hydroponics
If you have read books or articles about greenhouse environmental control you have probably heard about Vapor Pressure Deficit, also known as VPD. This is an important variable to measure…
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