Table 1. Soil water by volume (%) for the three grazing intensities on days plant water potentials were measured. Data for July 22 was actually measured on July 15. Data is shown as average + STDEV (n=3).

 

Date


Depth (ft)

Grazing

Intensity

0.25

0.75

1.25

1.75

2.25

2.75

 

Extreme

13-Jun

16.6 + 0.9

17.1 + 2.3

17.8 + 4.7

22.3 + 6.6

24.8 + 6.6

26.3 + 5.7

Extreme

27-Jun

15.4 + 1.2

17.0 + 3.9

18.0 + 5.9

22.0 + 7.1

23.2 + 7.6

25.3 + 7.3

Extreme

24-Aug

16.9 + 1.7

19.6 + 3.3

23.9 + 3.8

26.1 + 3.2

30.1 + 4.5

33.3 + 4.6

Extreme

17-Sep

20.4 + 0.9

22.4 + 1.9

26.5 + 4.5

27.9 + 4.7

27.4 + 5.6

32.4 + 4.2

Exclosure

14-Jun

18.3 + 1.0

17.1 + 2.1

21.5 + 2.6

24.1 + 6.3

31.9 + 1.3

35.7 + 5.0

Exclosure

11-Jul

30.1 + 0.7

20.4 + 4.4

19.5 + 2.1

21.5 + 5.0

30.7 + 1.5

35.1 + 5.1

Exclosure

23-Aug

19.6 + 1.3

18.7 + 1.4

21.6 + 3.8

22.9 + 6.4

31.5 + 3.6

34.9 + 4.6

Exclosure

20-Sep

22.1 + 1.6

23.0 + 3.7

23.9 + 4.4

24.3 + 7.6

31.3 + 5.1

34.8 + 3.5

Moderate

06-Jun

16.4 + 2.3

21.7 + 2.2

25.5 + 2.3

26.1 + 2.1

28.0 + 2.6

30.0 + 3.1

Moderate

28-Jun

15.0 + 2.2

20.1 + 2.4

24.1 + 2.0

24.9 + 0.5

27.0 + 1.5

29.0 + 2.8

Moderate

22-Jul

22.3 + 1.7

26.3 + 1.6

26.3 + 2.7

25.6 + 2.0

27.0 + 2.4

27.7 + 0.7

Moderate

19-Sep

17.8 + 2.0

26.0 + 4.0

30.1 + 5.9

30.0 + 3.6

30.7 + 3.4

30.9 + 4.0