Page 199 - AJWEP-v22i3

The portable hydroponic system

A B

C

Figure 5. The response surface of fresh weight (Y ): (A) Y = f(x , x ); (B) Y = f(x , x ); and (C) Y = f (x , x )
2
1
1
1
2
3
1
1
3
3
A B

C

Figure 6. The response surface for number of leaves (Y ): (A) Y = f(x , x ); (B) Y = f(x , x ); and (C) Y = f(x , x )
1
2
1
1
4
2
1
3
3
1
The adequacy of the regression equations was
parameters Y , Y , Y , and Y are G = 0.483, G = 0.488, evaluated using Fisher’s test, where the tabulated value is
p
p
2
3
1
1
2
4
p
G 3 = 0.499, and G = 0.500, respectively, all of which F = 4.15 for a reliability level (P ) of 0.95 and the degrees
p
T
4
H
are lower than the tabulated value G = 0.516. 23 of freedom f = 8. The calculated values – F = 0.54,
23
T
1
Volume 22 Issue 3 (2025) 193 doi: 10.36922/AJWEP025170132