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Female producer holding a soil core sampling probe in a harvested soybean field.

Fall Soil Sampling

With fertilizer prices on the rise, it’s more important than ever to understand your soil test levels and crop response to applied fertilizers. Fall is a great time to soil sample before freeze up.

Tanks of anhydrous ammonia being pulled to a field for fertilizer application.

Determining an Economically Optimal Nitrogen Rate for Corn in 2022

While we can't know what the prices of corn and nitrogen fertilizer will be next year, it is very important to understand how the level of both prices will influence corn profitability for 2022.

Rangeland covered with dense thickets of maturing cedar trees.

Cedar Trees and Rangeland Loss

The issue of cedar tree invasion into South Dakota’s rangelands tends to be a regional conversation. There is generally broad agreement among most resource professionals that these trees are in fact changing our landscape in a negative way.

Smart to Lead SDSU Extension Agriculture and Natural Resources Program

July 06, 2021

South Dakota State University Extension has named Alexander “Sandy” Smart as the new Agriculture and Natural Resources Senior Program Leader.

From left: Meadow deathcamas in a South Dakota prairie rangeland. Silvery Lupine in a rangeland in South Dakota.

Poisonous Plants on Rangelands: Deathcamas and Lupine

With prolonged drought conditions throughout many areas of South Dakota, there is an increase of invasive weeds and poisonous plants on rangelands. Identification of poisonous plants is crucial to ensure livestock production is not compromised.

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.

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.

Mosquito resting on a dandelion seed head.

West Nile Virus Update: Sept. 17, 2021

The South Dakota Department of Health's latest update indicated that West-Nile-virus-positive mosquitoes were detected in Beadle, Brookings, Brown, Codington, Hand, Hughes, Lincoln and Minnehaha counties in South Dakota.