Dengfei Jie

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In order to analyze the spatial structure of the leaf area index (LAI) of the spring soybean which was planted in late April and was harvested in early October, it was the LAI of the soybean as the breed of Jinda 74 that was studied in this paper in detail on further guiding the fine cultivation for this kind of the soybean, which was grown in the most of(More)
In order to achieve non-destructive measurement of varieties in persimmon, a fast discrimination method based on Vis/NIRS spectroscopy was put forward. A Field Spec 3 spectroradiometer was used for collecting 22 sample spectra data of the three kinds of persimmon separately. Then principal component analysis (PCA) was used to process the spectral data after(More)
The purpose of this study is to establish the mathematical relationship between visible and Near_ Infrared (Vis_NIR) Diffuse Reflectance Spectroscopy and firmness of persimmon in order to evaluate the applicability of Vis_NIR Spectroscopy technique for non-destructive measurement of the firmness of persimmon. The FieldSpec 3 spectroradiometer was used to(More)
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