Table 6. Water-use at various soil depths over specific time periods for hard red spring wheat grown on fumigated and natural soil plots at Williston Research Extension Center, 1999.

   

Water-use

   

Time period

Depth

 Treatment

20 MAY
26 MAY

26 MAY
2 JUN

2 JUN
11 JUN

11 JUN
16 JUN

16 JUN
23 JUN

23 JUN
30 JUN

30 JUN
7 JUL

7 JUL
14 JUL

14 JUL
21 JUL

21 JUL
28 JUL

28 JUL
4 AUG

4 AUG
11 AUG

11 AUG
18 AUG

18 AUG
25 AUG

SUM

ft.

 

inches

0-1

 

 

 

Fumigated

0.27

0.49

1.31

0.77

0.57

0.16

0.49

0.62

0.47

0.68

0.27

0.15

0.21

0.07

6.53

Natural

0.31

0.42

0.75

0.68

0.85

0.36

0.52

0.60

0.47

0.65

0.30

0.20

0.25

0.16

6.51

Mean

0.29

0.45

1.03

0.73

0.71

0.26

0.50

0.61

0.47

0.66

0.28

0.17

0.23

0.11

6.5

CV %

42.8

21.5

9.0

13.7

19.4

23.1

11.0

11.6

8.1

13.7

29.7

35.5

64.7

68.0

2.5

LSD .05

NS

NS

0.14

NS

0.20

0.09

NS

NS

NS

NS

NS

NS

NS

NS

NS

 

1-2

 

 

 

 

Fumigated

0.10

-0.01

0.25

0.19

0.74

0.40

0.19

0.09

0.02

0.06

0.02

-0.01

-0.04

0.01

1.99

Natural

0.04

0.05

0.12

0.18

0.35

0.54

0.36

0.23

0.11

0.04

0.01

0.00

-0.02

0.01

2.01

Mean

0.07

0.02

0.18

0.19

0.54

0.47

0.27

0.16

0.07

0.05

0.02

-0.01

-0.03

0.01

2.00

CV %

151.7

484.6

57.6

92.4

27.8

17.1

52.0

45.5

95.2

106.1

95.3

476.1

246.0

738.0

11.5

LSD .05

NS

NS

NS

NS

0.2

0.1

NS

0.1

NS

NS

NS

NS

NS

NS

NS

 

2-3

 

 

 

 

Fumigated

0.05

0.02

0.17

0.06

0.27

0.42

0.33

0.25

0.14

0.06

0.05

-0.02

-0.06

0.00

1.73

Natural

0.11

-0.01

0.17

0.03

0.15

0.25

0.26

0.19

0.17

0.11

0.06

0.00

0.01

-0.05

1.44

Mean

0.08

0.01

0.17

0.04

0.21

0.33

0.30

0.22

0.15

0.09

0.05

-0.01

-0.02

-0.02

1.59

CV %

129.5

1827.5

69.6

147.8

55.1

25.8

58.6

32.9

72.4

85.4

95.3

480.2

312.6

114.2

10.7

LSD .05

NS

NS

NS

NS

NS

0.13

NS

NS

NS

NS

NS

NS

NS

0.04

0.25

 

3-4

 

 

 

 

Fumigated

0.02

0.02

0.09

0.08

0.03

0.11

0.12

0.20

0.08

0.14

0.01

-0.01

-0.04

0.00

0.85

Natural

0.10

-0.03

0.02

0.08

0.07

0.01

0.12

-0.01

0.15

0.03

0.01

0.03

0.00

-0.04

0.54

Mean

0.06

0.00

0.06

0.08

0.05

0.06

0.12

0.09

0.11

0.08

0.01

0.01

-0.02

-0.02

0.70

CV %

209.7

2188

168.1

110.9

112.4

191.8

40.8

116.0

88.1

96.9

638.5

612.8

224.3

550.6

43.0

LSD .05

NS

NS

NS

NS

NS

NS

NS

0.16

NS

NS

NS

NS

NS

NS

NS

 

SUM

 

 

 

 

Fumigated

0.44

0.52

1.81

1.10

1.61

1.09

1.13

1.16

0.72

0.93

0.36

0.10

0.07

0.07

11.1

Natural

0.56

0.42

1.06

0.97

1.41

1.17

1.27

1.01

0.89

0.84

0.37

0.23

0.24

0.09

10.5

Mean

0.5

0.47

1.44

1.03

1.51

1.13

1.19

1.08

0.80

0.88

0.37

0.17

0.16

0.08

10.8

CV %

67.5

53.1

7.9

11.1

12.7

16.9

11.0

7.3

24.4

19.0

41.6

50.6

100.9

196.0

2.50

LSD .05

NS

NS

0.17

NS

NS

NS

NS

0.12

NS

NS

NS

0.13

NS

NS

0.40