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a map of North America showing precipitation probability

Drought Conditions Continue to Deteriorate Across South Dakota

April 06, 2021

South Dakotans’ apprehension of an impending drought has been growing.

filed of sunflowers in bloom

2021 South Dakota Pest Management Guides Now Available

February 04, 2021

SDSU Extension has released the 2021 South Dakota Pest Management Guides.

A picture of a lawn showing a ring of dark green grass in the middle of the lawn due to fungi in the soil.

Fairy Rings in Lawns

Seeing greener grass in circular pattern in your lawn? This is not due to uneven fertilizer application, but rather due to a fungi feeding on decomposing matter and releasing nitrogen in the affected areas.

Wheat tillers with lower leaves covered with tan-brown lesions. The ground beneath has wheat stubble from previous wheat crop.

Scout for Tan Spot in Winter Wheat

Tan spot was observed in a few winter wheat fields scouted recently. It is important to scout winter wheat for tan spot and other early diseases developing before deciding to apply an early-season fungicide tank mixed with herbicide.

Two rows of corn at V5 leaf growth stage looking down from above. Between the corn rows there are 3 separate cotton strips placed on the soil surface just before burial in a 2-inch-deep trench. The cotton strips are numbered for their identification after recovery at three different dates.

Cotton Strip Soil Test: Rapid Assessment of Soil Microbial Activity and Diversity in the Field

Soil has always been considered as a living system due to its biological components: fungi, bacteria and plant roots. Under several ongoing research projects, we started researching how we can use ‘cotton strip assay’ to compare different cover crop mixes to optimize field soil activity and build up better soil health.

Earthworms on the soil surface inside a white hard-plastic ring, after mustard-vinegar solution was drained down through the soil profile forcing earthworms out onto the surface in order to be counted.

How’s Life in the Soil? Ask (Count) the Earthworms.

Earthworms are ‘very special’ creatures on earth, and their contribution in soil nutrient cycling and fertility management has been acknowledged from the beginning of agriculture. So, the question needs to be asked, how can we help improve earthworm populations?

Young producers sampling produce outside a field with a young mother and her daughter.

Discussing Food and Agriculture in South Dakota: A Guide for Community Leaders

Food production and farming are issues that operate at the complex pivot point of where ecology and nature meet the marketplace and political systems. The way agriculturalists and communities handle their resources, both individually, and collectively, depends on their collective vision for the future.

Water flowing from a drain tile pipe.

Nutrient Loss Calculator

Trying to figure out the nutrient loss in your tile drainage system? The Nutrient Loss Calculator can help. This useful tool helps landowners collect a snapshot of nutrient loss in their drainage systems.

a strand of oats in a field

2020 Plant Disease Summaries for Small Grains

A number of field trials were implemented in the 2020 growing season with the general objective of assessing various disease management practices suitable for South Dakota growers and the Great Plains.

Field with purple flax flowers

Herbicide Residual Effects on Cover Crops after Wheat

Fact sheet about herbicide residual effect on cover crops after wheat.