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Table 8 Effect of nitrogen and phosphorus on unmarketable and total yield (t ha−1) of potato at Woleh

From: Response of potato (Solanum tuberosum L.) to nitrogen and phosphorus fertilizers at Sekota and Lasta districts of Eastern Amhara, Ethiopia

 

Kechin Abeba

Woleh

Unmarketable yield

Total yield

Unmarketable yield

Total yield

2015

2017

2015

2017

2015

2017

Combined

2015

2017

Combined

N level kg ha−1

 0

1.45

2.87

12.18

23.88

1.32

1.65

1.48

12.76

10.84

11.80

 46

2.14

2.47

18.44

30.29

2.41

1.96

2.18

18.83

12.45

15.64

 92

2.88

4.06

20.94

31.68

2.34

1.89

2.11

18.04

14.66

16.35

 138

2.31

3.36

25.39

38.82

3.19

2.17

2.68

20.60

18.18

19.39

 LSD (0.05)

0.58*

0.91*

1.01*

1.80*

0.41*

0.39*

0.34*

1.11*

1.41*

1.07*

P2O5 level kg/ha

 0

2.37

3.14

16.87

34.53

19.45

1.71

1.83

15.52

12.90

14.21

 23

2.40

3.23

18.61

30.85

20.83

1.91

2.00

18.99

13.51

16.25

 46

1.75

3.38

17.23

29.31

33.88

1.83

2.61

18.69

15.00

16.84

 69

2.26

3.02

16.24

29.98

18.38

2.22

2.03

17.03

14.71

15.87

 LSD(0.05)

0.58*

Ns

1.01*

2.54*

4.13*

0.39*

0.34*

1.11*

1.41*

1.07*

 CV

34.51

34.35

11.33

6.96

20.82

24.87

28.08

7.41

12.10

11.75