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Research Reports

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The Carrington Research Extension Center conducts research and hosts educational programs to enhance the productivity, competitiveness, and diversity of agriculture in central North Dakota and beyond. Research activities at the CREC include scientists and support staff trained in implementing programs in Agronomy, Plant Pathology, Soil Science, Precision Agriculture and Animal Science. These program teams are able to address a broad scope of factors that impact North Dakota agriculture. The crop diversity of the state is addressed in all program areas and is further supported by the ability to conduct research under both dryland and irrigated conditions. Projects addressing organic crop production and a fruit and berry program broaden the constituency being served. The foundation seed program of the Center represents an important part of the overall NDSU Foundation Seed program. The CREC is the base of operation for four state Extension specialists. The research reports highlight specific research we are conducting.

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Agronomy Research from Carrington Research Extension Center

Optimizing Fungicide Application Timing, Fungicide Droplet Size and Soybean Seeding Rate for Improved White Mold Management in Soybeans in Oakes

Previous research from the CREC Plant Pathology team demonstrated that small adjustments to fungicide application timing, spray droplet size and seeding rate can improve white mold management in soybeans at little or no additional cost.

Enhancing Spring Wheat Yields through Split In-Season Nitrogen and Sulfur Applications in Conventional and No-Till Systems

Hypothesis: The use of a split application of nitrogen and sulfur significantly increases wheat yield under conventional and no-till cropping systems.Objectives:Determine the combined effect of nitrogen and sulfur rate splits, finding the…

Effects of Sprayer Travel Speed on Weed Control Applying Liberty Ultra

Field observations have been made in which kochia plants are dead on one side and not the other. The theory behind the lack of control is that sprayer travel speed is too fast. With partial funding from the North Dakota Soybean Council, a…

Early Planting and Hybrid Maturity Effects on Red Sunflower Seed Weevil (Smicronyx fulvus) Damage in North Dakota Sunflower Production

This study summarizes results from multi-year field trials in both North Dakota and South Dakota focusing on the sites at Dickinson and Carrington, ND. This study evaluated whether early planting and early-maturing hybrids provided…

Planting Date and Hybrid Effects on Spring Canola at the Carrington REC (2023–2025)

This three-year summary selectively focuses on Carrington data from 2023, 2024, and 2025. Carrington provides a representative central-eastern ND environment where canola is frequently planted into well-managed rotation systems and…

Effect of Maturity Grouping on Row Spacing Recommendation in ND

The primary objective of this 2025 study was to determine whether soybean yield results from the 2024 demonstration represented an anomalous environmental interaction or if they signaled a need to revise current soybean row spacing…

Effect of Rainfall During the Harvest Interval on Barley Preharvest Sprouting

This research report evaluates pre-harvest rainfall impacts on barley seed including test weight, protein, sprout damage, and germination.

Carrington Research Extension Center 2025 Annual Report

Contents:Mitigating Salinity Impact: Spring-Planted Cover Crops to Boost Soybean Yields in North Dakota........ 6Beyond Herbicides: Smart Strategies for Sustainable, Weed-Free Soybeans........................................ 10Planting…

Split In-Season Nitrogen and Sulfur Applications Increase Spring Wheat Yield and Quality in Conventional and No-Till Systems

Effective management of nitrogen (N) and sulfur (S) fertilizers is crucial for wheat production, as both nutrients are key to photosynthesis due to their role in chlorophyll production (Andrews et al., 2013). In North Dakota, many farmers…

Durum Intensive Management Study: Impact of Postemergence Nitrogen on Seed Quality

Durum growers and the pasta industry need consistent seed yield and excellent quality for profitability. A significant production strategy of interest by durum growers is the use of postemergence-applied nitrogen (N) fertilizer to…
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