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SDSU Extension Dairy Field Specialist Tracey Erickson to Retire

October 15, 2021

After 31 years of providing education and service to South Dakota livestock producers, South Dakota State University Extension Dairy Field Specialist Tracey Erickson has announced her retirement. Her last day is June 21.

Wheat blade with strip rust symptoms.

Stripe Rust Starting To Develop in Winter Wheat

Stripe rust was found in a few winter wheat fields scouted this week. The presence of a few plants with stripe rust indicates there is inoculum of this pathogen in the state.

Rancher standing in a vast, rolling grassland.

Grassland Fertilization: Terminology and Economics

This article is the first in a series of six focused on helping producers understand the pros and cons of grassland fertilization. We begin by learning some of the basic terminology and information related to fertilization.

soybean pods

Next 'Notes from the Field' Webinar to be held June 4

June 01, 2021

South Dakota growers and agribusiness professionals are invited to join soybean research and Extension specialists from land-grant universities across the country as they host the monthly webinar series, "Science for Success: Notes from the Field."

South Dakota native grassland with a variety of plants and grasses growing.

Grassland Fertilization: Ecology

In the first article in this series, we discussed basic terminology and economics. This article focuses on the ecological impacts of fertilization in various grassland plant communities, including native rangelands and prairies.

Healthy, South Dakota native grassland with a variety of plants and grasses growing.

Grassland Fertilization: Native Pasture Case Studies – McPherson, Deuel, Grant and Clark Counties

Even our best native pastures, rangelands and prairies suffer from at least some level of invasion. Within this reality lies a wide gradient of quality of native grasslands that is largely influenced by past and present management.

A native pasture community with noticable invasive plant issues.

Grassland Fertilization: Native Pasture Case Study - Hamlin County

Whether fertilization pays or not depends on the species present, the past management history and the type of grazing strategy. This study compares two very different plant communities that represent typical pastures and management schemes in this area.

Cattle grazing a high-diversity, native pasture.

Grassland Fertilization: Native Grass Planting Case Study - Codington County

Management goals of planted grasslands are an important driver in the consideration of whether fertilizer applications will be beneficial or harmful. Here, we will discuss various plant communities and the impact of fertilization on each.

A grassland plot with a variety of exotic grass plantings growing throughout.

Grassland Fertilization: Exotic Grass Planting Case Studies - McPherson and Jerauld Counties

Our previous installment of this series discussed the effects of fertilization on native grassland plantings. This last installment addresses the options for fertilization on low-diversity exotic grassland plantings.

Aflafla field with light colored alfalfa mixed in with green alfalfa.

Why’s My Alfalfa Field Turning White?

There have been a lot of reports of alfalfa fields in South Dakota with a white or light-brown canopy. This discoloration is the result of extensive alfalfa weevil larvae feeding.