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ArticleBrownfield Ag NewsAug 3, 2026

Are Insects Threatening South Dakota's Soybean and Alfalfa Yields?

Increased pest pressure in South Dakota is raising concerns for soybean and alfalfa crops.

AI-generated source brief by USFarms.ag, based on Brownfield Ag News. How our briefs are made

Source published Aug 3, 2026. Check the source date before applying seasonal guidance. Brief published .

pest managementcrop healthagronomy

Source summary

What this article covered

Rising Pest Pressure

Agronomist Stu Carlson has observed a significant uptick in pest populations, particularly spider mites in soybeans and various pests in alfalfa.

Impact on Crop Yields

The presence of alfalfa weevils can severely affect crop yields if left unmanaged, emphasizing the need for timely interventions.

Management Strategies

Farmers may need to adapt their pest management strategies to address the increasing threat posed by these insects as the harvest season approaches.

Broader Implications

This trend of rising pest populations could have wider implications for crop production in South Dakota and potentially influence market conditions.

Key takeaways

5 things worth knowing

  1. 01

    Spider mites are increasingly prevalent in South Dakota soybeans.

  2. 02

    Alfalfa weevils pose a significant threat to alfalfa crops.

  3. 03

    Failure to manage these pests could lead to substantial yield losses.

  4. 04

    Farmers are advised to monitor pest populations closely.

  5. 05

    This trend may affect overall crop management strategies in the region.

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