| 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: | Blaine.Schatz@ndsu.edu | |||||||||||||||||||||
| Leonard.Besemann@ndsu.edu | ||||||||||||||||||||||
| Soybean Stoller Study | ||||||||||||||||||||||
| W. Albus, R. Dodds, L. Besemann and H. Eslinger | ||||||||||||||||||||||
| MATERIALS AND METHODS | ||||||||||||||||||||||
| Soil: | Maddock sandy loam and Egeland loam; 2.2% organic matter, soil N 79 lbs/acre, soil P and soil K were very high; soil-S was medium. | |||||||||||||||||||||
| Previous crops: | 2012 – barley and wheat. | |||||||||||||||||||||
| Seedbed preparation: | Spring conventional tillage. | |||||||||||||||||||||
| Planting: | May 28, Croplan R2T 1041 in 30-inch rows. | |||||||||||||||||||||
| Plots: | Plots were 40 ft long by 10 ft wide. The study had six replications. | |||||||||||||||||||||
| Treatments: | Trt 1 = check; trt 2 = Bio-Forge 8 oz/acre @ V4-V5 July 8 and Bio‑Forge 8 oz/acre @ R3 August 1; trt 3 = Bio‑Forge 16 oz/acre @ R3 August 1. | |||||||||||||||||||||
| Fertilizer: | Broadcast 34 lbs N/acre, 81 lbs P2O5/acre, 103 lbs K2O/acre, 19 lbs S/acre May 1. | |||||||||||||||||||||
| Irrigation: | Overhead sprinkler irrigation as needed. | |||||||||||||||||||||
| Pest control: | Trust (1 pt/acre) May 28, Roundup Power Max (30 oz/acre) + AMS (1 lb/10 gal) June 24 and Roundup Power Max (40 oz/acre) + AMS (1 lb/10 gal) July 16. | |||||||||||||||||||||
| Harvest: | October 22 with a plot combine. Harvest area was the center two rows, 37 feet long. | |||||||||||||||||||||
| Table 1. Agronomic data for the Stoller soybean study at the Oakes Irrigation Research Site 2013. | ||||||||||||||||||||||
| Harvest | Test | Lodging | ||||||||||||||||||||
|
|
Yield1 | Moisture | Weight | Score2 | Height | Protein | Oil | |||||||||||||||
| bu/ac | % | lb/bu | inch | % | % | |||||||||||||||||
|
Check
|
62.2 | a | 14.9 | a | 56.5 | a | 1.7 | a | 37.2 | a | 36.3 | a | 17.9 | a | ||||||||
|
Bio-Forge
8 oz/ac; V4-V6 & R3
|
64.0 | a | 14.9 | a | 56.5 | a | 1.8 | a | 37.3 | a | 36.2 | a | 18.0 | a | ||||||||
|
Bio-Forge
16 oz/ac; R3
|
63.5 | a | 14.6 | a | 56.7 | a | 1.8 | a | 38.0 | a | 36.2 | a | 17.9 | a | ||||||||
|
|
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|
LSD
(P = 0.05)
|
2.9 | 1.1 | 0.6 | 0.9 | 0.9 | 0.2 | 0.2 | |||||||||||||||
|
C.V.
(%)
|
3.6 | 5.9 | 0.8 | 40.7 | 1.9 | 0.5 | 1.0 | |||||||||||||||
| Grand Mean | 63.2 | 14.8 | 56.6 | 1.8 | 37.5 | 36.2 | 17.9 | |||||||||||||||
| Planting Date = May 28; Harvest Date = October 22; Previous Crop = Barley and spring wheat | ||||||||||||||||||||||
| 1 Yield adjusted to 13.0 % moisture. | ||||||||||||||||||||||
| 2 0 = erect, 9 = flat. | ||||||||||||||||||||||
| Oakes Irrigation Research Site | ||||||||||||||||||||||
| Variety trials | Crop index | Home page | Report 2013 | |||||||||||||||||||
| Other soybean Studies 2013 | ||||||||||||||||||||||
| Table 1. Soybean variety trial (conventional) | ||||||||||||||||||||||
| Table 2. Soybean variety trial (Roundup ready) | ||||||||||||||||||||||