Table 9.The effect of nitrogen and potassium applied by fertigation on red color development in
Fuji Naga-Fu 1, Grove Research Station, Tasmania.

Percentage fruit with
______________________________
>50% red color>75% red color

Leaf
_____________
N (%)N:K

Fertilizer treatment

1.

Autumn urea

89

75

2.69

1.23

2.

Autumn urea +
1 x calcium nitrate

94

78

2.69

1.15

3.

Autumn urea +
1 x potassium nitrate

90

64

2.70

1.26

4.

Autumn urea +
2 x potassium nitrate

84

58

2.81

1.31