| 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: |
Kelly.c.Cooper@ndsu.edu |
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| Soybean Variety Trial |
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| K. Cooper, L.
Besemann and H. Eslinger |
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| Three soybean
variety trials were conducted at the Oakes Irrigation Research Site; a
Roundup Ready@ trial, a Liberty Link trial and Conventional
Soybean. Results for the Roundup Ready
trial are listed in Table 1. Results
for the Liberty Link trial are listed in Table 2. Results for the Conventional trial are
listed in Table 3. There were
thirty-seven varieties in the Roundup Ready trial, eleven varieties in the
Liberty Link trial and eight varieties in the Conventional trial. |
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| MATERIALS AND METHODS |
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| Soil: |
Embden loam and Egeland loam; pH = 6.8;
1.9% organic matter; soil N 31 lbs/acre; soil P and soil K were very high;
soil S was medium. |
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| Previous crop: |
2015 – spring wheat. |
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| Seedbed preparation: |
Spring
conventional tillage. |
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| Planting: |
Planted May 17 in 30-inch rows. |
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| Plots: |
Plots were 25 ft long by 5 ft (2 rows)
wide. The study had four replications. |
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| Fertilizer: |
Broadcast 19 lbs N/acre, 50 lbs P2O5/acre, 45 lbs K2O/acre and 10 lbs S/acre as 9‑24‑21-5 April 20. |
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| Irrigation: |
Overhead
sprinkler irrigation as needed. |
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| Pest control: |
All trials received the same treatments. Weed control: Spartan Elite (22 oz/acre)
May 19, Select Max (12 oz/acre) + NIS ( 1pt/100gal) June 13. Disease
control: Endura (5.5 oz/acre) July 15. |
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| Harvest: |
October 3 with a plot combine. |
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| RESULTS |
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| Yields in the Roundup Ready trial
averaged 77.9 bu/acre. Yields in the
Liberty Link trial averaged 74.4 bu/acre. |
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| Table 3. Soybean
variety trial (Conventional varieties) at the Oakes Irrigation Research Site
2016. |
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Mat |
Days to |
Plant |
Plant |
Seeds/ |
Seed |
Test |
Seed |
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| Brand |
Variety |
Group1 |
PM Mat. |
Ht. |
Lodge2 |
Pound |
Oil |
Protein |
Wt |
Yield |
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inch |
0 to 9 |
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% |
% |
lb/bu |
bu/ac |
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| Richland IFC |
MK0603 |
0.6 |
122.0 |
18.0 |
8.5 |
5378 |
16.6 |
35.2 |
57.3 |
41.1 |
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| Richland IFC |
MK0508 |
0.8 |
122.3 |
18.5 |
8.3 |
5328 |
17.2 |
33.6 |
57.6 |
41.3 |
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| Richland IFC |
MK1016 |
1.0 |
121.5 |
20.0 |
7.8 |
5114 |
17.1 |
35.2 |
57.9 |
45.4 |
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| Richland IFC |
MK9101 |
1.0 |
124.0 |
28.0 |
6.3 |
2149 |
20.2 |
34.8 |
56.7 |
48.1 |
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| Richland IFC |
MK42 |
0.7 |
119.5 |
21.0 |
5.8 |
2236 |
17.7 |
36.2 |
55.9 |
44.2 |
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| Richland IFC |
MK41 |
1.1 |
125.8 |
30.0 |
5.3 |
2288 |
17.3 |
35.9 |
57.7 |
56.4 |
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| Richland IFC |
MK9404CN |
0.6 |
120.0 |
20.5 |
5.8 |
2604 |
21.5 |
34.9 |
56.6 |
48.3 |
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| Richland IFC |
MK808CN |
0.8 |
119.8 |
20.5 |
5.8 |
3098 |
19.1 |
33.1 |
57.0 |
46.9 |
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Mean |
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121.9 |
22.1 |
6.7 |
3524 |
18.3 |
34.9 |
57.1 |
46.5 |
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C.V (%) |
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1.1 |
9.4 |
16.1 |
4.05 |
2.2 |
1.6 |
1.2 |
12.1 |
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LSD 0.10 |
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1.70 |
2.5 |
1.3 |
174.1 |
0.5 |
0.70 |
0.9 |
6.9 |
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LSD 0.05 |
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2.0 |
3.0 |
1.5 |
210.5 |
0.6 |
0.8 |
1.0 |
8.4 |
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| Planting Date =
May 17; Harvest Date = October 3; Previous Crop = spring wheat |
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| 1Maturity group based on data provided by seed company. |
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| 2Plant Lodge: 0 = no lodging; 9 = plants lying flat. |
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| Table 1. Roundup Ready@ soybean |
Table 2. Liberty Link
soybean |
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Table 3. Conventional soybean |
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| Oakes Irrigation
Research Site |
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| Variety
trials |
Crop
index |
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Home
page |
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Report 2016 |
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