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Environmental Systems Research

Table. 9 Mean squares of NUE

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

Source of variation

Df

NUE

Season

1

5709.06

Replicate (season)

4

752.66

Irrigation

1

139,578.21*

Season × irrigation (main plot error)

1

604.58

Nitrogen

2

17,466.54***

Nitrogen × irrigation

2

6650.21***

Error

24

388.83

CV

 

14.61

R2

 

0.95

  1. ***, ** and * are significance codes at 0.001, 0.01 and 0.05, respectively
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