2018
Soybean Dry-Land Maximum Yield
Home
Contributor/Checkoff:
North Carolina Soybean Producers Association
Category:
Sustainable Production
Keywords:
Field management Nutrient managementSoil healthTillageYield trials
Parent Project:
This is the first year of this project.
Lead Principal Investigator:
James E Dunphy, North Carolina State University
Co-Principal Investigators:
Project Code:
18-093
Contributing Organization (Checkoff):
North Carolina Soybean Producers Association
$21,562
Institution Funded:
North Carolina State University
$21,562
Brief Project Summary:

This research evaluates some production practices and products by trying to establish a maximum yield plot and evaluate the contribution of any particular practice or product by seeing how much yields are lowered if it is subtracted from the maximum yield plot. One or more practices or products may have a different impact than expected on yield when the environment is maximized. This project intends to improve the farm level profitability of producing soybeans, to determine the impact of products and practices in a dry-land soybean situation where yields are maximized, to provide training and support NCSU’s Soybean Extension On-Farm Test and Demonstration program.

Key Benefactors:
farmers, agronomists, extension agents

Information And Results
Project Deliverables

Final Project Results

Updated October 10, 2019:

View uploaded report PDF file

This trial sought to identify the practices and products that result in the greatest yield increases for soybean production in North Carolina. This trial was conducted at four environments in 2018to compliment a previously generated dataset from 2015-2017. Averaged over environments, the production practices that had the largest impact on soybean yield in 2018included narrow row spacing and foliar fungicide use; this aligns with similar work conducted from 2015-2017. Limited yield advantages were observed in 2018 from raising the soybean seeding rate above 110,000 seeds/A, from the use of a seed inoculant, fungicidal seed treatment, and seed biological product. Foliar fertilizer use has sometimes slightly increased soybean yield in these trials, but there has often been no effect on soybean yield from the foliar fertilizers used in this trial.The results from this trial will aid growers in decision-making on practices to maximize soybean yields.

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.