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Rye test plots

Rye Variety Trial Results

The 2024 Rye Variety Trial Results include data from three locations across South Dakota.

A field of alfalfa.

Forage Variety Trial Results

The 2024 Forage Variety Trial Results include data from two locations across South Dakota.

several plots of alfalfa

Alfalfa Variety Trial Results

Progress reports for alfalfa variety trials

Left: Black soil tarp on a research plot. Right: The same research plot uncovered, revealing little-to-no weed pressure.

Early Season Soil Solarization and Occultation Impacts on Weed Pressure and Onion Yield in Eastern South Dakota: Year 2 (2024) Results

Research report on whether soil tarping can reduce weed pressure in onion yields for the second year

Four common South Dakota ticks: American dog, Rocky Mountain wood, blacklegged and Lonestar.

Spring is here, and so are the ticks!

As spring continues to bloom, more arthropods will begin to emerge from winter dormancy. Ticks are among the first to appear, and statewide reports have already been flowing in.

A hand holding a soil sample taken from a soybean field.

Soil Testing Labs

This page contains a list of nearby state or private laboratories that can be used for crop production fields, gardens and lawns.

Scattered weeds emerge from a no-till corn field in Kennebec.

Watch Temperature Forecast Before a Burndown Herbicide Application

As planting season approaches, no-till fields will likely need a burndown herbicide application to manage the established winter annual and early emerging summer annual weeds.

Farmer inspecting a no-till field before planting.

Early Preplant or Preemergence Applications for Weed Management in Corn: Which is better?

Preemergence herbicides should be a part of a successful weed management plan, as these applications limit the amount of early-season weed interference to limit yield loss and reduce selection pressure on herbicide-resistant weeds.

Wheat growing in a field west of Martin, South Dakota.

Optimizing Wheat Success for 2025

With spring and warmer temperatures arriving in South Dakota, now is the ideal time to start planning your wheat crop for the upcoming growing season.

Atrazine carryover injury to eastern redcedar seedling

Herbicide Carryover and Planting Bare-Root Tree Seedling in New Windbreaks

Guidelines on herbicide carryover when planting bare-root tree seedlings in new windbreaks