Measuring method of leaf area index
A leaf area index and measurement method technology, applied in the field of ecological research, can solve the problems of low accuracy of leaf area index, high labor intensity, and environmental damage
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specific Embodiment approach 1
[0006] Specific embodiment 1: The method for determining the leaf area index in this embodiment is achieved through the following steps: 1. Place the LAI-2000 plant canopy analyzer at a distance >3.5m from the edge, at 10:00~14:00 , light intensity 8000~10000Lux, wind speed <7 grades and air humidity 10%~90%; 2. The data measured in step 1 is processed and output by the built-in software of LAI-2000 plant canopy analyzer, that is, the obtained Effective leaf area index; 3. Bring the effective leaf area index into the following formula to calculate the leaf area index (LAI): leaf area index (LAI) of broad-leaved forest = 1.5457 × effective leaf area index -0.0414; that is, the leaf area is completed Determination of the index.
[0007] The method described in this embodiment improves measurement efficiency, reduces labor intensity, and increases accuracy.
specific Embodiment approach 2
[0008] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the measurement time is from 11:00 to 13:00. Other steps and parameters are the same as in the first embodiment.
specific Embodiment approach 3
[0009] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the intensity of the light is 8500-9500 Lux. Other steps and parameters are the same as in the first or second embodiment.
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