Tag: management

Growing

Managing VPD for Cannabis

The vapor pressure deficit (VPD) is the difference between the moisture currently in the air and the maximum moisture it can hold when saturated. As we discussed in our previous blog post, VPD is an important parameter to measure and control because it directly influences plant transpiration. In this blog post, we’ll explain how to determine the VPD of the grow room using temperature and humidity, the ideal VPD levels for cannabis and the equipment needed to monitor and adjust VPD. Measuring …
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