How does Priva TopCrop measure and control the crop activity and the suppression of disease?

Required temperature difference between bottom and middle leaf layer

Up until now, the plant temperature was measured by an infrared camera at the top of the crop because the top of the plant contributes to the transpiration. However, the direct light on the leaf interferes with the accuracy of the measurement, making it difficult to take reliable measurements.

The measuring set-up in Priva TopCrop solves this problem by measuring the plant temperature at three heights in the crop and the ambient conditions.

The second reason for measuring at three different heights is that the plant's water absorption and transpiration are optimally harmonized when the plant temperature in the middle leaf layer is kept approximately one degree Celsius (between 0.7°C and 1.3°C) higher than the temperature at the bottom leaf. This difference in temperature has the optimum effect on the crop activity. Without active adjustments by Priva TopCrop, much larger plant temperature differences are measured in practice.

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