Content by David Karki
Investigation of Soybean Seed Treatment and Inoculant in Southeastern SD, 2018
Soybean seed treatment products are widely utilized by many farmers in southeastern South Dakota and the surrounding area. These products often consist of an insecticide/fungicide combination, and/or inoculant that is mixed and placed on the seed as a pre-treatment before the grower plants the crop.
Instinct HL and Nitrogen Management Effect on Winter Wheat Yield
Nitrogen (N) additives to control N losses through volatilization, denitrification, and leaching are widely used in the Midwest. Slowing the conversion of nitrogen fertilizers to nitrate may lessen leaching and denitrification losses if precipitation or soil becomes saturated.
Winter Survival and Spring Stand Counts in Winter Wheat
Every winter, growers are curious if their wheat field will survive the winter. Not enough snow cover during the coldest days, spring flooding, and ice injury are the main reasons for plants to die. The only way to get a true assessment of winter survival is to scout the field in the spring.
Plant Growth Regulator Reduces Height, Lodging in Oats
With the goal of reducing lodging in oats, SDSU Extension and a research team initiated a multi-location trial in 2018 growing season to study the effects of plant growth regulator (PGR) on oat performance.
Effects of Snow on Wheat
Even though snow that comes with the onset of cool temperatures can be a nuisance for our daily activities, it can benefit a winter wheat crop a great deal.
Sunflower Hybrid Variety Trial Results
In 2025, sunflower trials were planted in two locations in South Dakota.
Oat Variety Trial Results
In 2025, oat variety trials were planted throughout various locations in South Dakota.
Soybean Variety Trial Results
Conventional soybean and soybean variety testing results for different locations across South Dakota.
Corn Hybrid Trial Results
In 2025, corn hybrid and conventional corn hybrid trials were conducted at different locations throughout South Dakota.
Spring Wheat Variety Trial Results
The 2025 spring wheat variety trials were planted throughout various locations in South Dakota.