Biomimetic Rotary Tillage Blade Design for Reduced Torque and Energy Requirement

Table 5

ANOVA table for the regression model.

Source of variation	Quadratic sum	Degree of freedom	Mean sum of square
Model	139.12	9	15.46	1090.96	<0.0001
	7.14	1	7.14	504.23	<0.0001
	0.27	1	0.27	19.32	0.0032
	19.53	1	19.53	1378.49	<0.0001
		1			0.9677
		1		0.044	0.8396
	0.042	1	0.042	2.97	0.1287
	0.26	1	0.26	18.54	0.0035
	0.23	1	0.23	16.45	0.0048
	111.03	1	111.03	7836.71	<0.0001
Residual	0.099	7	0.014
Lack of fit	0.07	3	0.023	3.25	0.1426
Pure error	0.029	4
Cor. total	139.22	16