Rauch Landmaschinenfabrik GmbH relies on customized sensors from Metallux AG for its high-precision fertilizer spreaders. They ensure that every application of fertilizer reaches exactly where it is needed – economically, sustainably and with centimeter-level precision.

Rauch Landmaschinenfabrik GmbH is an internationally active family-owned company founded in 1921 and headquartered in Rheinmünster, Germany. The company develops and manufactures high-precision fertilizer spreading and seeding technology for agriculture as well as spreading equipment for winter road maintenance.

Around 400 employees contribute to the company’s success worldwide, including 45 in the development department alone. Its products are distributed in more than 50 countries through an international dealer network.

In the field of fertilizer technology, Rauch uses, among other solutions, disc spreaders in which rotating spreading discs distribute fertilizer granules across the field in precisely calculated trajectories, achieving working widths of up to 54 meters. Precise, targeted distribution depends on the exact coordination of disc speed, drop point and the properties of the fertilizer being used. Depending on particle size, shape and density, each granule has different flight characteristics and is therefore distributed differently across the field.

The objective is clear: to apply the right amount of fertilizer in exactly the right place. For farmers, this is crucial. Fertilizer supplies plants with essential nutrients, helps ensure high yields and contributes to long-term soil fertility. At the same time, it represents a significant cost factor. Under-application can lead to yield losses, while over-application not only causes unnecessary costs but can also impact the environment through excess nutrients entering soil and water. 

Rauch values Metallux for its combination of technical expertise, flexibility and quality. Maximilian Zimmer, Team Leader Product Electronics Development, explains:

“What we value about Metallux is its high level of expertise and reliability. You know what you are getting and can rely on your partner. The geographical proximity was an additional advantage, as it allowed us to discuss matters in person and make decisions quickly. This was particularly important for this project because the technology can only be tested during specific cycles and within limited time windows. Despite the tight schedule, we worked together to develop a very good, customized solution within a short period of time.”

With this solution, fertilizer reaches exactly where it can deliver the greatest benefit. In this way, precision in the field truly bears fruit.

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