2014
Soybean response to nitrogen inputs under tile drained conditions
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Contributor/Checkoff:
North Dakota Soybean Council
Category:
Sustainable Production
Keywords:
Abiotic stressField management SustainabilityWater supply
Parent Project:
Soybean response to inputs under tile drained conditions
Lead Principal Investigator:
Hans Kandel, North Dakota State University
Co-Principal Investigators:
Ryan Buetow, North Dakota State University-Dickinson
Project Code:
Contributing Organization (Checkoff):
North Dakota Soybean Council
(n/a)
Institution Funded:
North Dakota State University
(n/a)
Brief Project Summary:

Producers are considering increasing soybean productivity using water management and additional farm inputs. Producers need data to determine the economic benefits of using advanced management strategies. Field research was conducted during 2011-12 to investigate the yield response of four soybean varieties with and without nitrogen, growth promoter, or micronutrients under tile drained conditions.

Preliminary results indicated that there is an increase in soybean yield during a wet season with tile drainage (2011). The economics of nitrogen application depends on the cost of nitrogen and soybean price. The price of nitrogen fertilizer is a major factor in the profitability analysis....

Unique Keywords:
#fertilization, #nitrogen (n), #tile drainage, #water management, #water quality & management
Information And Results
Final Project Results

1) Tile has increased yields, even under dry growing conditions.
2) Nitrogen tends to increase early season IDC expression.
3) In this trial, we could not show a significant yield increase due to urea. However, the trend, over the last three seasons, has been to have higher a yield with N application. The cost of N needs to be considered and compared with the yield increase.

The United Soybean Research Retention policy will display final reports with the project once completed but working files will be purged after three years. And financial information after seven years. All pertinent information is in the final report or if you want more information, please contact the project lead at your state soybean organization or principal investigator listed on the project.