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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.
July 2019 Climate Outlook: Challenges Continue
This year’s seasonal pattern of wetter than average conditions is projected to continue through July and the rest of the summer season. The latest climate outlook, released June 20, 2019, shows an increased chance of wetter than average conditions in the next one to three months for the state of South Dakota.
Be Ready for Mosquitos
With the very wet 2019 spring and recent rains, it inevitable that mosquito populations will be high this year. Although there are over 20 species of mosquitoes that call South Dakota home, there are really only two species that account for the majority of observed individuals.
Soybean Production: Cost-effective pest management practices
Chemicals were one of the most expensive individual costs in soybean production, behind only to seed in the non-land cost category. The average cash-rent soybean production farms incurred a crop chemical cost of $39/ac in 2015, an 88% increase from 2010.
Reed Canary Grass: Possible Prussic Acid & Alkaloid Issues
Prussic acid issues with reed canary grass are poorly understood and may go unrecognized if they occur. This article addresses a little-known but interesting aspect of the biology of reed canary grass.
What are Those Gigantic Flies?
As we progress later into the summer, we commonly see an increase in horse fly activity.
Promoting Dung Beetles on the Range
In South Dakota, dung beetles help regulate rangeland health through dung dispersal.
Sweet Clover Poisoning
Hay that contains sweet clover can be an excellent feed as long as the dicoumarol level is known and feeding management is used to prevent poisoning.
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.