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Unverferth Completes Expansion of its Iowa Manufacturing Plant

Unverferth Manufacturing Co., Inc. has completed a major addition of a 5,000-square-foot facility and renovations at its Shell Rock, Iowa, plant. The 13th project since the company bought the facility in 1988. Unverferth also plans to add 55 jobs to the area to support increased demand and diversification of product lines at the Shell Rock plant.

The addition adds a top-of-the-line manufacturing space and expanded room for storage of component parts for products such as Brent grain carts and wagons, Unverferth Pro-Force dry fertilizer spreaders, Unverferth NutriMax liquid fertilizer applicators and Top Air sprayers.

A number of upgrades and modernizations are part of the renovation to ensure employees are safe, operations are efficient and products are manufactured to the highest quality. New upgrades include:

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Trending Video

Supplemental Nitrogen on Soybeans: Can Early Nitrogen Increase Yield?

Video: Supplemental Nitrogen on Soybeans: Can Early Nitrogen Increase Yield?

Can supplemental nitrogen help soybeans reach higher yield potential? Technical Agronomist Tim Sickman walks through an ongoing trial at the Nutrien Innovation Farm in Owensboro, Kentucky, exploring whether a modest amount of nitrogen applied at planting can support higher-yielding soybean environments.

The trial compares 30 pounds of supplemental nitrogen across both 15- and 30-inch rows, along with treatments that include sulfur and micronutrients. Similar trials conducted in 2024 and 2025 delivered a six- to seven-bushel yield response, prompting the team to expand the research this season.

Early observations show that treated soybeans are slightly taller and averaging about two additional nodes on the main stem. These added nodes could create more opportunities for blooms and pods, but the true results will come at harvest when the team evaluates pod development, seed fill and final yield.

In This Video:

Why high-yield soybeans may need supplemental nitrogen

Results from the 2024 and 2025 trials

Nitrogen treatments in 15- and 30-inch rows

Fertilizer placement and application methods

Differences in plant height and node counts

Potential effects on pod development and yield