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Two young boys at a table constructing a robot.

About 4-H

Learn about SDSU 4-H mission, values, history and initiatives. Discover the 4-H essential elements, learning model, and life skills that 4-H members will obtain through hands on learning. Discover the many different science, health, agriculture and citizenship projects available in the 4-H programs.

a handfull of sunflower seeds with small holes in the shells on a white table.

Differentiating Insect Damage to Sunflower Seeds

This publication covers different insect damage characteristics to sunflower seeds.

many hands raised in the air with sky background and the word volunteer

Volunteers

SDSU Extension volunteers participate in a variety of service programs through our organization, helping us expand the scope and effectiveness of our mission. In exchange for their service, volunteers receive training on a wide array of topics of interest to them. 

Several chickens in chicken coup. Some are resting lethargically.

Importance of Chicken Infectious Bronchitis Virus: Q&A

Infectious bronchitis virus (IBV) is a coronavirus that infects chicken flocks, causing respiratory disease. Some IBV isolates can result in a kidney disease (nephritis). Drop of egg production in laying hens is an important sign for IBV infection.

Yankton County

Water flowing from a drain tile pipe.

Nutrient Loss Calculator

Trying to figure out the nutrient loss in your tile drainage system? The Nutrient Loss Calculator can help. This useful tool helps landowners collect a snapshot of nutrient loss in their drainage systems.

different colored fruits and vegetables arranged into a rainbow.

Fun With Fruits and Veggies

Getting kids excited to eat fruits and vegetables can feel like a battle most days. However, with a little fun and creativity, they’re far more likely to become part of the routine.

4-H archery targets with arrows in them.
May 30 - 31

4-H Outdoor State Archery Tournament

SDSU Extension 4-H will host the 4-H State Outdoor Archery Tournament at the NFAA Easton Yankton Archery Center (800 Archery Lane, Yankton, SD 57078) from May 30-31.

Rancher greeting grandson in a farm driveway.
Jun 02 - 03

International Farm Transition Network - Annual Conference

The 2026 International Farm Transition Network (IFTN) Annual Professional Development Conference will take place June 2-3 at the Wyndham Gettysburg (95 Presidential Circle, Gettysburg, PA 17325).

Group of youth walking through a field
Jun 09 - 10

Rangeland and Soil Days

Rangeland and Soil Days will take place June 9-10, 2026, at the Belle Fourche Community Hall (512 6th Avenue, Belle Fourche, SD 57717).