Preble County Tillage Survey
Corn
|
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 | 2004 | 2007 |
|
|
% of Cropland Planted in Corn |
49.8 |
38.0 |
45.2 |
41.7 |
41.9 |
39.3 |
46.3 |
43.4 |
34.8 | 48.6 |
50.4 |
|
% No-Till |
33.9 |
33.8 |
32.4 |
26.6 |
35.6 |
32.5 |
28.6 |
42.3 |
26.7 | 40.1 |
39.4 |
|
% Ridge Till |
3.4 |
1.3 |
2.1 |
.6 |
2.0 |
1.6 |
0.6 |
1.3 |
0.4 |
0.7 | - 0 - |
|
% Mulch Till > 30% Residue |
10.6 |
7.7 |
2.9 |
7.7 |
8.5 |
3.8 |
9.9 |
21.0 |
2.5 | 8.5 |
15.5 |
|
Subtotal in Conservation Tillage |
47.9 |
42.8 |
37.4 |
34.9 |
46.1 |
37.8 |
39.1 |
64.6 |
29.6 | 49.3 |
54.9 |
|
% Reduced Till 15-30% Residue |
10.0 |
9.3 |
22.5 |
13.7 |
19.8 |
13.4 |
21.7 |
25.6 |
13.4 | 17.3 |
22.1 |
|
% Conventional < 15% Residue |
42.1 |
47.9 |
40.1 |
51.4 |
34.1 |
48.8 |
39.2 |
9.8 |
57.0 | 33.5 |
23.1 |
|
Subtotal not in Conservation Tillage |
52.1 |
57.2 |
62.6 |
65.1 |
53.9 |
62.2 |
60.9 |
35.4 |
70.4 | 51.8 |
45.2 |
Soybeans 
|
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 | 2004 |
2007 |
|
|
% of Cropland Planted in Soybeans |
40.9 |
37.2 |
45.4 |
42.5 |
50.5 |
41.2 |
47.9 |
50.6 |
28.5 | 47.4 |
46.1 |
|
% No-Till |
44.5 |
48.7 |
51.3 |
58.5 |
63.9 |
69.6 |
68.2 |
78.6 |
77.4 | 86.7 |
75.7 |
|
% Ridge Till |
2.7 |
0 |
-0- |
-0- |
1.0 |
0.3 |
0.9 |
0.6 |
0.5 | 0 |
- 0 - |
|
% Mulch Till > 30% Residue |
15.1 |
7.4 |
2.9 |
9.5 |
10.0 |
7.8 |
15.3 |
14.6 |
2.4 | 6.9 |
13.0 |
|
Subtotal in Conservation Tillage |
62.3 |
56.1 |
54.2 |
68 |
74.9 |
77.6 |
84.4 |
93.8 |
80.3 | 93.6 |
88.7 |
|
% Reduced Till 15-30% Residue |
10.8 |
9.6 |
11.9 |
12.7 |
9.6 |
5.4 |
9.0 |
2.8 |
11.5 | 3.2 |
6.4 |
|
% Conventional < 15% Residue |
26.8 |
34.3 |
33.9 |
19.3 |
15.5 |
17.0 |
6.6 |
3.4 |
8.2 | 3.2 |
4.9 |
|
Subtotal not in Conservation Tillage |
37.6 |
43.9 |
45.8 |
32 |
25.1 |
22.4 |
15.6 |
6.2 |
19.7 | 6.4 |
11.3 |
Photos on this page are a courtesy of USDA-NRCS