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 |
2 JUN |
11 JUN |
16 JUN |
23 JUN |
30 JUN |
7 JUL |
14 JUL |
21 JUL |
28 JUL |
4 AUG |
11 AUG |
18 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 |
|