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Content by Sara Bauder

A planting of alfalfa.

Effects of Late Spring Frost on Alfalfa

Forage research indicates that, although alfalfa is considered to have good cold temperature tolerance, minor frost damage may occur when plants are exposed to air temperatures slightly below freezing for several hours, and more severe damage will be seen when temperatures drop below 25°F for four or more hours.

An alfalfa field with noticeable dead patches due to winter kill.

Dealing With Alfalfa Winter Kill

Winter kill and general stand loss of alfalfa has specifically been of concern in many parts of South Dakota the last two years. Most observed alfalfa winter kill is due to low, wet or flooded areas where plants were suffocated and died over the winter.

man holding a small pile of soil in his hands

Transitioning to Soil Health Systems in Eastern South Dakota Intended for beginners: Where do I start?

Fact sheet for beginners on where to start transitioning to soil health systems in eastern South Dakota.

SDSU Extension Develops Perennial Plant Mixtures for Alkali Areas

April 24, 2020

The Every Acre Counts program through SDSU Extension has developed perennial plant mixture suggestions suited for various types of marginal land situations, including saline, sodic and wet soil areas. 

A green tractor pulling a fertilizer wagon through a field of alfalfa.

Fertilizing Forages in South Dakota

Spring is a busy time for South Dakota farmers and ranchers with planting, calving, and other field preparations. Soil sampling and fertilizing pastures, alfalfa, or other forages might be overlooked.

A man inspecting a field with salty soil.

Perennial Solutions for Alkali Areas

Reclaiming marginal lands, especially those considered saline or sodic can be very challenging and may take many years to accomplish. The key to turning around salt or alkali areas in your fields, begins with getting a living root established in the affected area.

A close up view of the stem of palmer amaranth which is hairless.

Identification and Management of Palmer Amaranth in South Dakota

Guide for the identification and management of Palmer Amaranth in South Dakota

A group of brown cattle foraging in a green field.

Prussic Acid Poisoning

As the first frost date approaches, producers often have concerns about the risk of prussic acid poisoning in livestock. Certain forage plants, especially sorghums and related species are associated with an increased risk of death loss because of prussic acid poisoning.

A field of green alfalfa test plots has dead patches due to winter injury of plants.

How Late is Too Late for the Last Alfalfa Cutting?

With a very challenging growing season and flooding across parts of South Dakota, many growers have struggled to harvest high quality forages in-between rains this summer.

Three, four-wheel drive John Deere tractors, pushing up chopped corn silage into a drive over pile on a dairy farm.

Harvesting Silage on a Wet Year: Moisture is Critical

Fall is on its way in South Dakota. However, with many flooded and saturated fields, some producers are growing concerned that there will be little opportunity to harvest silage before corn dries down past desired moisture levels or frost occurs.