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Plants or Crops

All Plants or Crops Content

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.

A corn planter planting seeds into wheat residue in a no-till field.

The Economic Advantages of No-Till: Diesel Fuel

While no-till and conservation systems are often discussed for their soil health benefits, the economic advantages are becoming increasingly important in today’s farm economy, particularly when it comes to fuel costs.

A grove of white flowers with yellow centers

McCrory Gardens Trial Report aids in flower selection

April 30, 2026

The McCrory Gardens Trial Report, issued annually by SDSU Extension and McCrory Gardens, helps South Dakotans choose flower varieties that do well in local conditions.

South Dakota Mesonet weather station along agricultural land in Beresford, South Dakota.

Building Resilient Farms Amid Increasing Weather Variability

Recent decades have brought a noticeable increase in climate variability in South Dakota. Understanding these trends and adopting adaptive management practices can help producers strengthen the resilience of their operations.

Herbicide sprayer on the edge of an emerging soybean field.

Syngenta to Stop Production of Gramoxone®

Global pesticide developer Syngenta announced on March 3, 2026 that they will cease global production of the herbicide product Gramoxone® (paraquat), a pivotal source of weed control in corn and soybean production, by June 30, 2026.

grass leaves with yellow and brown streaking on the tops and edges

Grass Diseases of South Dakota Identification Guide

Common grass disease identification guide.

Tulips blooming near the entrance to McCrory Gardens.

McCrory Gardens Trial Report

Learn about annual and perennial flowers that are well-suited for South Dakota gardens based on eastern South Dakota research trials.

Horticulture research plot with rows of tarp-covered crops and living mulch between them.

Research Report: Warm-Season Living Mulch Impacts on Cucumber Yield and Disease Symptoms

A 2025 trial in Brookings, South Dakota aimed to detect the influences of various warm-season cover crop living mulches on pest pressure in tomatoes and cucumbers and the interactions between both grafted and nongrafted tomatoes and cucumbers and the living mulch.

External and internal ring rot symptoms on two potato samples.

Bacterial Ring Rot: Yet another devastating disease of potato

Ring rot is primarily a disease of stored tubers and seed potatoes, where it produces black or brown lines just below the surface of the potato.

Mesonet camera overlooking spring pasture and cropland in Avon, South Dakota.

Great Temperature Shifts This Spring: Implications for burndown herbicide applications

The 2026 growing season is beginning as temperatures begin to increase. The increased temperatures are favorable for growing conditions, however, great temperature shifts throughout the day may adversely affect the activity of herbicide applied for preplant burndown.