Necessity of leaf area measurement

Necessity of leaf area measurement

The Living Leaf Area Meter (Leaf Area Meter) measures the surface area of ​​the blade for any irregular shape, any color, any thickness and moisture content. It has almost no requirement on the leaves, no matter how large the leaves, it can be measured, such as banana leaves, the leaves are oblong, 2-3m long, 25-30cm wide, such a huge blade, only need to cut it into small leaves, Then measure each leaf individually. We can understand some other factors by measuring the leaf area.

The leaf area index can be calculated by the living leaf area meter, and the leaf area index is a better dynamic index reflecting the size of the crop group and has a certain relationship with the crop yield. In general, the larger the leaf area index, the higher the crop yield, because the leaf area index is high and the relative leaf area is large, while the large leaf area means high photosynthesis efficiency. Therefore, we often need to know the leaf area index parameter for the study of crop growth status. At the same time, we can also understand the lack of nutrients in the soil from the surface color of the leaf area.

In the measurement process, the operation method is relatively simple. After the leaf area analyzer is warmed up and enters the normal measurement state, the user only uses the light-emitting plate cover of the instrument to open and the measured blade is tiled in the center of the photosensitive plate. Close the luminous plate cover and press the “Measurement” button. The system will measure the surface area of ​​the tested blade and save the area value on the LCD of the instrument. Press the "Measure" key repeatedly to remeasure the measured blade and save the measurement results for many times. You can repeatedly measure the surface area of ​​the blade by pressing the "Measure" button several times. Finally, the average result of multiple measurements is obtained by pressing the "average" key.

At the same time, YMJ-C live leaf area meter does not require the color, thickness and moisture content of the blade. Such an instrument has been welcomed and praised by the market in all aspects.