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SDSU Extension

Latest Recommendations

Left: Ponderosa pine tree growing on rangeland. Right: Long, skinny, green needles on Ponderosa pine branch.

Pine Needles: Another Possible Threat to Beef Cow Pregnancies

For at least the past 50 years, consumption of Ponderosa Pine tree needles (and those from a few other pine tree species) by pregnant cattle has been recognized as a cause of abortions during the last trimester (three months) of gestation.

Rows of sweet corn growing among clover mulch in a research plot.

Organic Sweet Corn Production in Clover Living Mulch Systems: 2-Year Research Summary

Research in 2024 and 2025 in a USDA certified organic field at the SDSU Southeast Research Farm explored growing sweet corn in three types of clover grown as a living mulch.

Black and white scan of Cottonwood Field Station soil map.

Range Roundup: Long-Term Grazing Records Can Guide Future Management

For nearly 80 years, researchers at the Cottonwood Field Station have monitored how different stocking rates have shaped plant communities. Today, these records are being compared with modern data to help us better understand how rangelands respond to long-term grazing management.

a large brick school building

Community Education in South Dakota Schools: Benefits, Strategies, and Opportunities

Three school districts in South Dakota have community education programs. Learn more about the benefits of community education programs and how to support established programs.

Yellow wheat field with green weeds throughout.

Weed Control Field Test Data

Data books to use as a reference to select appropriate herbicide(s) for row crops

A group of youth and adults stand in a grassy pasture

Dedicated educators help South Dakota youth succeed nationally

In May, South Dakota sent 84 youth to the National Land and Range Judging Contest in El Reno, Oklahoma. Out of the 34 states that competed, only Texas came close to matching those numbers with 72 participants.

Our Impact

As the outreach arm of our state’s land grant, South Dakota State University, SDSU Extension is able to provide farmers, ranchers, agri-business people, communities, families and youth with the research-based information they need to succeed.

    216,854

    Individuals Reached

    $5,909,271.50

    Value of Volunteer Hours

    114,099

    Adult and Youth Educational Contacts

Explore Our Impacts

Further Reading

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.

stack of coins with faded chart lines showing in the foreground

South Dakota Agricultural Land Market Trends

The 2025 South Dakota State University (SDSU) Extension Farm Real Estate Market Survey is the 35th annual survey of agricultural land values and cash rental rates by land use and quality in different regions of South Dakota.

man holding a small pile of soil in his hands

Fertilizer Recommendation Guide

SDSU Extension fertilizer recommendations are based on field research in South Dakota and neighboring states.

A low-gradient prairie river that is very meandering.

Understanding Western South Dakota Prairie Streams

This document provides information and guidance for landowners and land managers in western South Dakota who are managing small intermittent streams.

Upcoming Events

Young farmer analyzing data on a tablet computer beside a crop sprayer.
Dec      Feb 03 - 28

2026 Commercial Applicator Training Online Course

SDSU Extension partners with DANR to offer pesticide certification program required for commercial applicators. The 2026 online course will be offered through Traininghouse and will be open from December 3, 2025, through February 28, 2026.

Aerial view of the SDSU Northeast Research Farm.
Jan      Feb 06 - 26

Crop Hour

SDSU Extension Crop Hour webinars provide valuable information for South Dakota crop producers to help them improve their profitability and prepare for the upcoming season.

Black angus calf standing near a cattle shelter.
Jan      Feb 19 - 10

Calving College Webinar and Workshop Series

Nebraska Extension in collaboration with SDSU Extension will host a Calving College webinar and workshop series with webinars scheduled January 19, 26 and February 2, followed by an in-person workshop at the Trip County 4-H Center (815 W. 12th St., Winner, SD 57580) on February 10.

Tractor applying postemergence herbicide to a soybean field early in the growing season.
Feb 05

Commercial Applicator Training @ Brookings

SDSU Extension will host commercial applicator training in Brookings at McCrory Gardens (631 22nd Ave, Brookings, SD 57006) on February 5, 2026, from 8:30 a.m. - 4:00 p.m. CST.

Firefighters in yellow protective gear monitor a grass fire in an open pasture
Feb 06

Cedar Trees, Conservation Programs, and the Role of Private Burn Associations in South Dakota

Pete Bauman, SDSU Extension Natural Resources and Wildlife Field Specialist, will present as part of the SDSU Natural Resource Management seminar series on February 6 at 10:00 a.m.

two ranchers carrying feed buckets to small group of cattle
Feb 10

Virtual Beef Quality Assurance Training

SDSU Extension will host a virtual Beef Quality Assurance program on February 10 from 2:00-4:30 p.m. CST for anyone involved in raising or handling cattle.