Rapid Identification of Potassium Nutrition Stress in Rice Based on Machine Vision and Object-Oriented Segmentation

Table 1

Leaf color characteristics for identification of nutrition deficiency.

No.	Characteristics	Abbreviation
1	Leaf R	LR
2	Leaf G	LG
3	Leaf B	LB
4	Leaf tip R	LTR
5	Leaf tip G	LTG
6	Leaf tip B	LTB

The leaf tip color was the mean color value for 1/5 of the leaf length from the tip.