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Table 3 Growth parameters, yield and yield components as affected by interaction of N and K fertilizer rates

From: Nutrient uptake, use efficiency and productivity of bread wheat (Triticum aestivum L.) as affected by nitrogen and potassium fertilizer in Keddida Gamela Woreda, Southern Ethiopia

Treatment

Days

Plant height (cm2)

Flag LA (cm2)

Productive tilers (m2)

Total tilers (m2)

No. kernel/spike

TSW (g)

AGB (Kg)

GY (Kg)

Phys maturity

N

K

0

0

91.67e

45.71f

12.18e

121.7h

205.33h

24.53e

28.40f

4326.2e

1040.8e

 

30

101.00cd

71.80de

21.72d

255fg

396.67fg

42.63d

38.07de

5141.9de

1788.5cd

 

60

99.00d

66.82e

21.45d

228.3g

370.33g

45.30cd

36.06e

5081.2cd

1692.0d

23

0

102.33bcd

72.73de

23.41cd

278.3efg

416.67efg

43.37cd

40.70cd

5717.9cd

2198.4cd

 

30

101.00cd

73.65d

23.49cd

310.7cdef

441.67defg

43.53cd

42.50c

6034.4c

2255.2 c

 

60

101.33cd

73.09de

23.18cd

290def

423.33efg

44.54cd

41.13cd

5610.cd

2250.1c

46

0

105.33ab

75.09cd

24.04 cd

345bcd

466.67cdef

44.67cd

46.57b

7819.9b

3270.0 b

 

30

103.67bc

80.37bc

28.59ab

453.33a

548.33ab

51.03a

49.83ab

9384a

4392.4a

 

60

103.33bc

77.91bcd

23.93cd

391.67b

476.67bcde

47.73abc

47.57ab

8338.9b

3500.4b

69

0

108.00a

74.36cd

25.85bc

330cde

525.0abc

46.10bcd

48.67ab

7954.4b

3229.0 b

 

30

105.67ab

90.57a

30.83a

398.67ab

595.0a

50.50a

50.69a

9775.9a

4277.8a

 

60

105.67ab

84.18ab

27.18abc

356.67bc

513.33bcd

49.20ab

49.32ab

9493.9ab

3326b

LSD 0.05

3.48

6.67

4.01

56.33

73.26

4.36

3.24

839.96

521

CV(%)

S

2.01

2.06

5.33

3.93

9.96

2.37

10.62

33.27

9.95

43.27

5.81

2.58

4.44

1.91

7.17

496.05

11.13

308.25

  1. Means followed by the same letters within a column are not significantly different at 5% probability level * and **, significant at 5 and 1% level of significance, respectively, nsnonsignificant difference, CV (%) coefficient of variation in percent, S standard deviation