Physiomorphology of Soybean as Affected by Drought Stress and Nitrogen Application

Table 2

Correlation coefficient of SPAD, NDVI, and LAI traits at different stages with fertilization.

Inoculation	Stage	SPAD	NDVI	LAI
Inoculated	V4	.205	.316	.324
	R2	.221	.383	.383
	R4	.386	.167	.468
	R6	.269	−.005	−.006
	Overall	.251	.121	.139
Noninoculated	V4	.312	.117	.269
	R2	.181	.017	.280
	R4	.456	.144	.194
	R6	.192	.003	.069
	Overall	.381	.098	.292

Correlation is significant at the 0.05 level (2-tailed). Correlation is significant at the 0.01 level (2-tailed).