Oakes
Irrigation Research Site |
|
|
|
Carrington
Research Extension Center * North Dakota State University |
|
P.O. Box 531,
Oakes, ND 58474-0531, Phone: (701) 742-2744, FAX: (701) 742-2700,
E-mail: |
Walter.Albus@ndsu.edu |
|
|
Optimal Corn
stalk Removal for Biofuel and the Environment |
|
Soil |
Chloropyll |
|
|
Stalk |
Grain1 |
Harvest |
Test |
Stalk |
Stalk2 |
Nitrate-N |
Meter Reading |
|
Stalk |
|
Silk |
Mature |
Removal |
Yield |
Moisture |
Weight |
Removal |
Addition |
Fall 2009 |
8/3 |
8/20 |
Population |
Nitrate-N |
Ear/Plant |
Date |
Date |
% |
bu/ac |
% |
lb/bu |
ton/ac |
ton/ac |
lb/ac |
|
plant/ac |
ppm |
|
|
|
|
0 |
199.5 |
33.5 |
50.8 |
0.0 |
8.0 |
17 |
52.7 |
53.5 |
38986 |
424 |
0.99 |
7/29 |
10/19 |
33 |
205.8 |
31.9 |
52.0 |
2.8 |
5.0 |
17 |
53.0 |
55.0 |
39966 |
331 |
1.00 |
7/29 |
10/18 |
67 |
206.2 |
32.1 |
51.3 |
4.0 |
3.0 |
14 |
53.8 |
55.2 |
39313 |
353 |
1.00 |
7/27 |
10/16 |
100 |
209.4 |
29.2 |
53.3 |
6.3 |
0.0 |
16 |
53.3 |
55.0 |
40075 |
477 |
0.98 |
7/26 |
10/17 |
|
|
|
|
|
|
|
Mean |
205.2 |
31.7 |
51.8 |
3.3 |
4.0 |
16 |
53.2 |
54.7 |
39585 |
396 |
0.99 |
7/28 |
10/17 |
CV% |
3.7 |
3.2 |
0.9 |
10.3 |
0.0 |
18 |
2.9 |
1.2 |
4 |
68 |
2.67 |
|
LSD.05 |
NS |
1.6 |
0.7 |
0.5 |
NS |
NS |
NS |
1.018 |
NS |
NS |
NS |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1Yield adjusted to 15.5% moisture. |
|
2Amount of corn stover added in spring 2008 as all stover was
removed in fall of 2008. |
|
Plots were
strip-tilled using an Orthman 1tRIPrAR strip-till machine. |
|
|
Planting Date =
May 12; Harvest Date = October 19; Previous Crop = Corn. |
|
Fertilizer Rate
lb/acre = 200 N, 40 P2O5, 17 S; Irrigation = 9.5" |
|
|
Go to
detailed material and methods |
|
|
Go to
Oakes Irrigation Research Site Variety Performance Trials |
|
Go to
Oakes Irrigation Research Site crop index |
|
Go to Oakes Irrigation Research Site 2009 Annual Report |
|
Go to
Oakes Irrigation Research Site home page |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|