Weeds & Invasive Plants
All Weeds & Invasive Plants Content
Spring Annual Weeds
There are several weeds that pop up very early in the spring and start flowering before most other plants have shown any signs of growth. Learn about some common varieties to look out for.
Want a Premium Price? Weed Control In NON-GMO Soybeans
Many emotions set in on farmers that hear the word “non-GMO”, but it could help them in times like today when prices are low for many farm products in South Dakota.
Organic Herbicides
Many gardeners across the state of South Dakota desire to have weed-free gardens, yards and flowerbeds. Many homeowners do not want to use inorganic herbicides due to their potential health effects.
Cows Eat Weeds
By utilizing grazing as a means of cultural control, producers have the potential to decrease input expenses while reaping the benefits of inexpensive weed control through animal nutrition.
Effects of Spring Flooding on Weed Seed Movement
How does spring flooding impact weed seed movement and dispersal? The flooding that is occurring from spring snow melt may cause weed seeds that are on the soil surface or eroded soil to move, and possibly long distances.
Herbicide Considerations for Cover Crop Planting in 2019
Long residual pre-emergent or early post-emergent herbicides may cause stand reduction or complete failure of cover crops. Depending on efficacy of the herbicide, each situation can both affect in-season and/or post-harvest cover crop establishment.
South Dakota Herbicide Damage
As the spray season starts, it is always good to be aware of resources and testing facilities where you can send in possible herbicide-affected plant samples. SDSU Extension offers suggestions on how to handle possible herbicide damage situations as well as recommended labs that receive plant matter samples to test for herbicide residues.
Spot Treatment Options for State Noxious Plants
When controlling grassland weeds, the mindset of row crop weed control may be put into practice too often. In most cases, broadcast control of weeds in grasslands is rarely necessary. Most often, spot treatment can be used more effectively to manage the noxious and invading weeds.
Small Grain Pre-Harvest Options
Consider pre-harvest herbicide applications in crop ground planted with small grains that are grown for seed or forage. Dense weed populations may inhibit harvest, therefore proper control of them early in the growing season is best.
Identification and Management of Palmer Amaranth in South Dakota
Guide for the identification and management of Palmer Amaranth in South Dakota