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Oilseed

All Oilseed Content

Research plots at the SDSU West River Research Farm.
Jul 17

West River Organic Farm Tour

SDSU Extension will host an organic farm tour on Friday, July 17, from 9:00 a.m. to 5:15 p.m. at the SDSU West River Research Farm.

sunflower field

Sunflower & Oilseeds

There are times when sunflower producers need unbiased answers. That’s what we are here for.

aerial view of South Dakota farm and surrounding land

Crops

During the growing season, SDSU Extension provides weekly production recommendations.

Sunflower growing in a South Dakota field.
Jul 08

Growing Smarter: Research for Resilient Farms

The USDA Agriculture Research Service will host its 32nd Annual Field Day - Growing Smarter: Research for Resilient Farms on July 8 from 9:30 a.m. to 12:00 p.m. CDT at the Eastern South Dakota Soil and Water Research Farm (3714 Western Ave, Brookings, SD 57006).

sun rising over South Dakota field

South Dakota Pest Management Guides

The South Dakota Pest Management guides are now available for free. The guides offer recommendations for controlling weeds, insects, and diseases in a variety of South Dakota crops.

Bright-yellow sunflowers growing in a field.

Sunflower Hybrid Variety Trial Results

In 2025, sunflower trials were planted in two locations in South Dakota.

Light colored moth on a yellow sunflower head.

Sunflower Moths Active in South Dakota Sunflowers

We have received reports of sunflower moths present on early planted sunflowers this week. The observed sunflower moth populations are above the recommend threshold of an average of 1 to 2 moths per five heads.

Small black and yellow beetle feeding on the green leaf of a canola plant.

Start Scouting Canola for Flea Beetle Activity

There are three species of flea beetles that commonly infest canola and feed on the leaves. The main concern occurs early in the season when these beetles can rapidly defoliate the plants.

A green combine harvesting canola in a field.

Broadleaf Considerations for West River South Dakota Cropping Systems

Selecting the right crop rotation is crucial in West River South Dakota, where water use efficiency is important. Learn some key factors to consider when selecting broadleaf crops for rotations and see what some farmers in the region are already planting.

Tanks of anhydrous ammonia being pulled to a field for fertilizer application.

Starter Fertilizer Calculator and Final Report

Decision aid to assist crop planners in selecting the maximum safe fertilizer rate that can be applied with the seed for various crops.