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A collection of empty pesticide and herbicide containers.

Changes in Pesticide Applicator Certification During COVID-19

April 27, 2020

Due to office closures as a result of COVID-19, commercial pesticide applicator testing is currently unavailable at the SDSU Extension Regional Centers and county offices.

A patch of soil with kochia weeds growing throughout.

Temperature and Herbicide Performance

In South Dakota, the spring can come with a wide range of temperature fluctuations. This will affect the performance of burndown herbicides. Depending upon the target weed, type of herbicide and application rate, there will likely be decreased weed control in cooler temperatures.

A red sprayer in a green field with a cloudy sky in the background.

How to Stop Drift

The goals of applying any crop protection products include: increasing effectiveness, mitigating drift, and maximizing profits. We will focus on mitigating drift, even though all three interact with each other.

Hand holding herbicide sprayer over vegetable garden.

Organic Herbicides: Garden and Flower Bed Weed Control

Many South Dakota homeowners do not want to use inorganic or synthetic herbicides due to potential health impacts. Organic herbicides can be a useful tool for weed control when combined with other management practices.

A farmer watching the sun rise in a bare, unplanted field.

Crop Tolerance to Soil Herbicide Residual

Some herbicides can persist in soil, especially dry soil. Herbicide carryover could be an issue in 2021 across the state depending upon last year’s moisture levels and field conditions.

a woman and a man checking a wheat field

SDSU Extension to host Wheat Walks in June

May 13, 2021

The 2021 Wheat Walks are slated for June 2 and 3 and will be held near Pierre, Clark and Mount Vernon.

Young corn seedlings emerging from a spring field.

Watch Closely for Weed Emergence

Cool, dry conditions have slowed weed emergence and growth, but dry conditions also have limited the activation of preemergent chemicals. Given this scenario, fields need to be scouted closely to ensure that weeds do not get away.

Garden plant surrounded by a layer of wood chip mulch.

Organic Garden Mulches To Conserve Moisture and Prevent Weeds

If you want to reduce time spent in your vegetable and flower gardens watering or pulling weeds, consider mulching the soil surface with an organic material to improve plant health and your enjoyment of the garden.

Field bindweed spreading in a patchof bare soil.

Field Bindweed Control in Yards and Gardens

Field bindweed is one of the most-serious weed problems in South Dakota. Learn some tips for identifying, managing and controlling this invasive weed in your yard and garden before it becomes an issue.

Large patch of grab grass growing on lawn.

Is Crabgrass Taking Over Your Lawn?

Each year homeowners and businesses typically find crabgrass invading their lawns. If you desire a nice lawn, you may not be happy about this. Crabgrass can be a bit tricky to control—especially after it has established itself for the season.