K₂O (kg)

Tuber weight/plant (kg)

Yield (t/ha)

Variety

Variety

Ajiba

Zafira

Picasso

Mean

Ajiba

Zafira

Picasso

Mean

0

0.70

0.61

0.31

0.54

30.99

28.59

13.82

24.47

75

0.88

0.65

0.32

0.62

39.21

32.94

14.40

28.85

150

0.85

0.80

0.42

0.69

37.83

34.09

18.75

30.22

225

0.92

0.92

0.50

0.78

41.53

40.85

22.17

34.85

300

1.14

1.01

0.59

0.91

49.38

45.20

26.17

40.25

Mean

0.90

0.80

0.43

39.79

36.33

19.06

LSD (p = 0.05)

K₂O Variety K₂O*Variety

K₂O Variety K₂O*Variety

0.127 0.098 NS

3.463 2.683 NS

CV %

18.6

11.3.7