FV

DF

SS

MS

F

Water slides (W)

5

510.536

102.107

36.28**

Error-W

18

50.663

2.814

Plots

23

516.199

Potassium (K)

5

438.586

87.717

94.35**

Int. W x K

25

61.967

2.478

2.67*

Erro-K

90

83.675

0.929

Total

143

1145.428

CV of plots (W) = 21.83%

CVof split plots (K) = 12.55%