Plants or Crops

All Plants or Crops Content

A herd of cattle gather around a stock pond on a vast, lush grassland. Courtesy: USDA [CC BY 2.0]

Weed Control: Pasture and Range

There are many undesirable plants or invasive plant species in South Dakota's 24 million acres of native and tame pasture range. This guide provides a summary of different herbicide suggestions and uses.

Farm employee inspecting a piece of heavy machinery.

Safety & Training

Covering the range from animal handling to equipment safety, including training and certification to keep producers and their workforce productive.

An oats field with numerous small rows of green, oat grass emerged throughout.

Oat Nitrogen Fertilizer Rate Guidelines: Do we use the yield goal or maximum return to nitrogen approach?

Nitrogen is an essential plant nutrient commonly applied to oat crops. It is important to apply an appropriate rate of nitrogen fertilizer to oats, as too little can reduce economic return, while too much can lead to potential negative environmental effects.

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.

How to Build High Tunnels

A video series developed to help producers learn how to build high tunnels.

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.

Women look through potted plants on a table in a classroom

Registration open for 2026 SDSU Extension Master Gardener training

January 29, 2026

Registration is open for the 2026 South Dakota State University Extension Master Gardener training that will be offered from April 1 to July 31, 2026.

Spring Wheat Variety Trial Results

The 2025 spring wheat variety trials were planted throughout various locations in South Dakota.

A sprawling sorghum field ready for harvest

Sorghum Trial Results

In 2025, sorghum trials were conducted in 2 locations in South Dakota.

Crop Hour

SDSU Extension will deliver a series of virtual Crop Hour webinars January 7 to February 27, 2025, every Tuesday, Wednesday and Thursday from 10:00 a.m.-11:00 a.m. CST.