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Cover crops growing between two wide rows of corn.

Inter-Seeding Cover Crops into Corn

Many producers are interested in incorporating cover crops into their cropping systems. Recent research investigated the effects of inter-seeding cover crops into corn on biomass production, grain yields, and other ecosystem services.

tar spot on a corn leaf

SDSU Extension to host tar spot webinar

January 24, 2025

Tar spot is a potentially yield-impacting corn disease that was confirmed in 46 of South Dakota’s 66 counties in 2024. The fungus can cling to crop residue over the winter and re-emerge once temperatures rise. It’s most commonly spread in South Dakota by wind-blown spores.

Attendees viewing a presentation at the I-29 Moo University Dairy Beef Short Course.

I-29 Moo University Dairy Beef Short Course is March 25

March 10, 2025

The 2025 I-29 Moo University Dairy Beef Short Course is from 9 a.m. to 3:15 p.m. CDT on March 25 at the Denny Sanford Premier Center.

Green corn leaf with common stalk borer caterpillar within.

Common Stalk Borer Activity Update: June 6, 2019

It finally warmed up and the insects have definitely become more active. However, our calculations indicate that not enough degree days have been accumulated for common stalk borer activity to warrant any scouting, but spraying field edges should be avoided through most of South Dakota in the next week.

A group of children observing a bed of garden soil with a teacher.

Stupendous Soils

Lesson for youth to discover the characteristics of different soil types and how to make compost.

Rye test plots

Rye Variety Trial Results

2025 Rye Variety Trial Results in South Dakota.

Two black beef cows and one black-and-white beef cow in the foreground.

Forage-Based Heifer Development Systems

Forage-based heifer development systems offer producers a practical opportunity to reduce input costs while maintaining acceptable reproductive performance. By effectively utilizing available forage resources, heifers can be developed efficiently with reduced reliance on harvested feeds.

group of male 4-H youth performing a sketch

4-H Drama & Theater Project

The world of drama and theater impacts you every day. By participating in the 4-H Drama and Theater project, you will explore the exciting world of acting, and learn more about yourself and others.

series of red cells representing coronavirus

COVID-19 Response

SDSU Extension, under the guidance of South Dakota State University, continues to serve South Dakotans while balancing the safety of our staff and the public.

Plastic bag containing numerous green larvae.

Let SDSU Extension know how alfalfa insects are affecting you

January 29, 2026

South Dakota State University Extension is encouraging forage producers to participate in a survey about managing alfalfa insects.