Table 3.

Model summary of yield.

Response	Source	Sum of Squares	df	Mean Square	F-Value	Model p-Value	Lack of Fit	R2
	Mean	3909.16	1	3909.16
Yield (%)	Linear	36.13	3	12.04	4.96	0.0165 *	0.0244 *	0.4259
	2FI	2.52	3	0.8387	0.2885	0.8328	0.0146 *	0.3131
	Quadratic	27.22	3	9.07	34.16	0.0001 **	0.80	0.9373

Significant at * p < 0.05. Significant at ** p < 0.01.