Selection of Optimum Vegetative Indices for the Assessment of Tobacco Float Seedlings Response to Fertilizer Management

Table 2

Summary of simple ratios for all the variety × fertilizer treatments.

Fertilizer level	Simple ratio range	NDVI range
0	1.52–1.78	0.21–0.28
50	1.92–5.16	0.38–0.67
100	6.10–7.41	0.72–0.76
150	8.34–10.50	0.79–0.83