Looking for insight on local temperature variations?
The new Thermoview camera of LetsGrow.com shows 24/7 the temperature differences between, for example, the higher and lower parts of the crop, and also the spot temperature of the fruits or flowers. By combining this data with data of other sensors this provides new tools to further optimize greenhouse controls.
The first results, applied in a wide variety of crops, already provide growers new insights into the effect of screening. For example, temperature loss by long wave outgoing radiation towards cold surfaces, such as greenhouse roof under clear sky circumstances, seem to be largely underestimated. Measurements show that canopy temperature can easily drop below dew point during nighttime, resulting in condensation. Based on these new experiences changes are made in the climate control strategies.
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