|
| Table 3. Essential soil characteristics for Option 2: different levels of tillage. (Results represent mean ± standard deviation of three replicates). |
WAR |
0 |
2 |
6 |
0 |
2 |
6 |
0 |
2 |
6 |
0 |
2 |
6 |
0 |
2 |
6 |
% Moisture by mass |
Total hydrocarbon |
% Organic Carbon |
% Total Nitrogen |
THB count (x 105 cfu/ml) |
|||||||||||
A |
13 ± 1 |
18 ± 1 |
10 ± 1 |
16 742.2 ± 80 |
3446.1 ± 92 |
1917.4 ± 69 |
0.89 ± 0.03 |
0.43 ± 0.02 |
0.42 ± 0.04 |
0.43 ± 0.01 |
0.14 ± 0.04 |
0.07 ± 0.002 |
7.1 ± 0.10 |
12.8 ± 0.06 |
16.9 ± 0.02 |
B |
14 ± 2 |
16 ± 2 |
17 ± 2 |
13 695.1 ± 100 |
4100.4 ± 69 |
1038.7 ± 52 |
0.87 ± 0.04 |
0.62 ± 0.05 |
0.62 ± 0.05 |
0.56 ± 0.02 |
0.30 ± 0.07 |
0.09 ± 0.004 |
9.2 ± 0.15 |
13.7 ± 0.04 |
25.2 ± 0.01 |
C |
12 ± 1 |
14 ± 2 |
14 ± 2 |
13 510.7 ± 110 |
952.8 ± 17 |
744.6 ± 14 |
0.89 ± 0.05 |
0.57 ± 0.03 |
0.48 ± 0.04 |
0.58 ± 0.01 |
0.29 ± 0.06 |
0.14 ± 0.03 |
9.2 ± 0.05 |
23.3 ± 0.08 |
28.4 ± 0.10 |
D |
15 ± 2 |
22 ± 1 |
22 ± 1 |
18 601.0 ± 30 |
464.2 ± 29 |
156.2 ± 17 |
0.90 ± 0.04 |
0.61 ± 0.04 |
0.51 ± 0.02 |
0.67 ± 0.02 |
0.27 ± 0.07 |
0.15 ± 0.03 |
12.7 ± 0.25 |
27.5 ± 0.06 |
32.8 ± 0.12 |
E |
15 ± 2 |
16 ± 2 |
16 ± 2 |
18 650.3 ± 40 |
339.0 ± 12 |
764.1 ± 6 |
0.92 ± 0.05 |
0.81 ± 0.06 |
0.36 ± 0.06 |
0.69 ± 0.01 |
0.46 ± 0.03 |
0.15 ± 0.02 |
12.9 ± 0.20 |
25.6 ± 0.10 |
34.8 ± 0.20 |
Cell:
(A) tilled one day per week; (B) tilled three days in a week; (C) tilled five
days a week; (D) tilled once daily; (E) tilled twice daily. |
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