Plant leaf area lossless measuring method
A determination method and plant leaf technology are applied in the field of non-destructive determination of plant leaf area, which can solve the problems of being difficult to master, expensive, and difficult to popularize, and achieve the effects of being beneficial to field operations, being convenient to carry, and being easy to operate.
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[0039] Below in conjunction with embodiment the invention is described in further detail.
[0040] The present invention relates to a method for non-destructive measurement of plant leaf area, the method and steps are:
[0041] (1) Leaf image acquisition, the specific sub-steps of this step are:
[0042] a. Select and test the shooting background bottom plate with obvious contrast of leaves, and then fix the coordinate ruler on one side of the bottom plate.
[0043] b. Lay the blade to be tested on the bottom plate and flatten it with a transparent plastic plate to ensure that the blade to be tested is fully extended;
[0044] c. Use the shooting resolution and image storage pixels set by the digital camera when it leaves the factory, and shoot the leaves at a shooting angle of approximately 90°;
[0045] (2) Indoor leaf area measurement and calculation, the specific sub-steps of this step are:
[0046] A, the blade image that takes is stored in the computer that AutoCAD so...
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