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Journal of Spectroscopy
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Journal of Spectroscopy
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2019
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Article
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Tab 7
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Research Article
Rapid Identification of Potassium Nutrition Stress in Rice Based on Machine Vision and Object-Oriented Segmentation
Table 7
Validation accuracies of the diagnosis model for rice K nutrition.
Growth stage
1
st
leaf (%)
2
nd
leaf (%)
3
rd
leaf (%)
Productive tillering stage
68
74
74
Invalid tillering stage
70
78
78
Jointing stage
66
72
80
Booting stage
64
82
84