Corn Article Archive

It’s time to start scouting for black cutworms in corn.

There are several important early season insect pests that can severely injure corn while it is in its early vegetative stages. One of the more destructive of these pests is the black cutworm. Black cutworms are migratory moths that migrate into South Dakota during the early spring from the Southern U.S. Although black cutworm caterpillars may injure corn by feeding on leaf tissue, the serious damage occurs when the caterpillars feed around the base of young corn plants.

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Field Studies: Replicated Comparisons vs. Side-by-Side Comparisons

The season is upon us and producers are heading out to the field to get their crops planted and established. Producers are interested in knowing what works best, yields the most, and especially what is most profitable during these tight economic times. Some may want to compare products or practices on their own farm or look at information from other farms or industry studies.

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Summer Season Climate Outlook 2017

The long-range outlook for the summer climate was released on Thursday, May 18. With the recent rains and transition to cooler temperatures, will this trend last for a while? The last couple of weeks of May are more likely to stay on the cooler side of average, according to NOAA’s Climate Prediction Center. Rainfall is also projected to taper off this weekend, and South Dakota will turn drier again for the rest of the month.

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Fate of Soil Applied Herbicides in No-Till

Most soil-applied herbicides are stable under longer than desired periods of weather with no adequate moisture and not broken down by UV sunlight. Those herbicides in the site of action group (SOA) 8 (butylate, cycloate, triallate) and SOA 3 (trifluralin, ethalfuralin, pendimethalin) are volatile and susceptible to degradation by UV light. In no-till, these herbicides are not widely used because of the need for mechanical pre-plant incorporation.

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Can my crops take these cold temperatures?

It has been unseasonably cold and snowy…now what? There are a few things to keep in mind as Mother Nature temporarily brought back the wrath of winter. Many farmers in Southeastern South Dakota began corn planting within the last two weeks. According to the USDA NASS, 7% of corn and 2% of soybean was planted across the state of South Dakota as of May 1.

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Pre-Emergence Herbicide: Why use it?

It is always good to start with a pre-emergence chemical to help prevent weeds from becoming resistant. Usually this is a different chemistry than what you are using post-emergence. It also will buy you time on doing a post if the pre-emergence is activated. With the wet cool spring, some weeds may now have germinated before the pre-emergence product is applied after planting.

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Don’t guess what’s causing your plants to be sick—we can help!

Effective plant disease management starts with proper disease diagnosis. Several plant diseases, nutrient deficiency or toxicity, and other disorders can elicit similar symptoms. It is therefore important to be absolutely sure what is causing the problem before making a decision on the management strategy.

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