๐ฟ Calcium and Nitrogen Leaf Sap Testers โ๏ธ
Itโs time to talk about these fascinating leaf sap testers, which are quickly gaining popularity among growers and enthusiasts of smart farming and precision agriculture.
These devices allow you to measure the nutrient composition of a plantโs sap ๐ง โ specifically the levels of ๐ฆด calcium, nitrogen, and other essential minerals.
To take a reading, you simply squeeze a small drop (about 0.3โ0.5 ml) of sap from a leaf (or another part of the plant) onto the deviceโs lens, and it will display how many ppm (parts per million) of each element are present in the sap.
This method helps determine the plantโs nutrient needs with high accuracy and allows you to fine-tune โ๏ธ your fertilizer dosage for optimal growth and yield.
The device can measure the concentration of almost any liquid medium โ meaning you can analyze your nutrient solution, substrate extract, or the sap directly from plant leaves (which is the easiest to obtain).
๐ต A single-element meter (for example, one that measures only calcium) costs around $300โ400, depending on the manufacturer.
๐ There are a few negative reviews online about the accuracy of these testers, but most of them seem to be based on speculation rather than verified data โ likely just ordinary online hate without real evidence.
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