Soil texture and composition test at HK PDC

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July IMAG5983
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Soil texture and composition test at HK PDC

Camera/lens: HTC_D650h
Aperture: 2.2, Shutter speed: 1/50, Focal length: 3.8 mm, ISO: 100, Bias: 0
Date/Time: 2019:06:29 17:50:45
Average color: gray27
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