Skip to main content

Table. 6 Mean squares plant height, branch number/plant, tuber number/plant, yield, HI and marketable yield

From: Effects of supplemental irrigation on yield, water use efficiency and nitrogen use efficiency of potato grown in mollic Andosols

Source of variation

Df

Plant height

Number of branches/plant

Tuber number/plant

Total tuber yield

Marketable yield

HI

Season

1

226.03

455.53

107.97

42.84

131.50

268.94

Replicate (season)

4

140.23

41.74

10.04

11.08

4.45

36.49

Irrigation

1

914.73

6.89

225.37*

5172.76*

4942.84*

1422.01

Season × irrigation (main plot error)

1

349.27

6.40

2.36

74.12

33.05

96.84

Nitrogen

3

618.75***

44.85**

134.62***

1005.90***

993.62***

108.54*

Irrigation × nitrogen

3

54.47

17.83

23.72**

249.89***

200.94***

49.90

Error

34

44.12

7.51

4.11

9.50

6.33

40.56*

CV

 

9.73

16.02

12.10

9.77

0.97

12.55

R2

 

0.73

0.76

0.85

0.97

9.60

0.63

  1. HI= Harvest Index, '***', '**' and '*' are significance codes at 0.001, 0.01 and 0.05, respectively