Plants or Crops

All Plants or Crops Content

SDSU Extension invites growers to Sioux Falls Organic Conference

February 17, 2026

South Dakota State University Extension and the Southeast Research Farm at SDSU invite farmers to attend the Sioux Falls Organic Conference on March 12.

SDSU Extension welcomes new forage field specialist

February 10, 2026

South Dakota State University Extension is pleased to welcome Kim Ricardo as a new Forage Field Specialist.

Tree Issue Treatments

Commonly available in pesticides for Conifer and Broadleaf disease, disorder, insect and mite treatment options.

Nitrogen rate map layered on top of a field

SDSU Extension invites corn farmers to join on-farm nitrogen fertilizer trial program

February 06, 2026

South Dakota State University Extension and Premier Crop Systems are recruiting corn farmers to participate in nitrogen fertilizer trials.

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.

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.