News

Corn Rootworm Management for 2018
3/14/2018

Corn growers have come to expect some rootworm damage, but University of Illinois entomologists say putting management plans in place now could help growers avoid major losses.

Issues as Harvest Approaches
9/18/2017

It is looking like at least some harvest surprises may be positive after an up-and-down 2017 season in Illinois. The September 1 yield predictions released by the USDA this week are for Illinois corn yield to average 189 bushels per acre, up a bushel from the August 1 estimate. The soybean yield

Grassland Management Do’s and Don’ts
9/18/2017

This is the first in a series of iGrow articles that will be dedicated to the issues and questions we receive related to establishing, re-establishing, and maintaining grass-based plantings for grazing, hay, wildlife, and recreation. This series will attempt to address the issues related to grass

Reducing Spread of Herbicide-resistant Weed Seed During Harvest and Tillage Operations
9/15/2017

Herbicide-resistant weeds such as Palmer amaranth, waterhemp and horseweed (marestail) are spreading, increasing weed control costs and yield losses in soybeans. Because of this, producers need to take action to prevent or reduce the spread of these weeds. Combines, tractors and tillage equipment ha

Reducing Soybean Harvest Losses in 2017
9/08/2017

Average soybean harvest losses range from one to two bushels per acre under normal conditions. However, harvest losses can increase significantly when harvesting tall, lodged plants or short, drought-stressed plants. Due to the variable distribution of precipitation across the state this summer,

Now is the Time to Scout for Palmer Amaranth
9/06/2017

Now is the time of year to be looking for palmer.

Palmer amaranth is in the pigweed family and has a lot of close relatives that can be confused with it. Common waterhemp is the one that is most commonly confused with palmer. We also have spiny pigweed, tumble pigweed, smooth pigwe

Soybean Rust Develops ‘Rolling’ Epidemics as Spores Travel North
8/31/2017

Although Midwestern soybean growers have yet to experience the brunt of soybean rust, growers in the southern United States are very familiar with the disease. Every year, the fungus slowly moves northward from its winter home in southern Florida and the Gulf Coast states, and eventually reaches

Tips for Conducting End of Season Corn Stalk Nitrate Test
8/22/2017

The end of season corn stalk nitrate test is one of the few diagnostic tools available to determine if excess nitrogen was applied to corn. The methodology and interpretation of this test were highlighted in previous Michigan State University Extension articles: “End of season corn stalk nitra

Harnessing Rich Satellite Data to Estimate Crop Yield
8/17/2017

Without advanced sensing technology, humans see only a small portion of the entire electromagnetic spectrum. Satellites see the full range—from high-energy gamma rays, to visible, infrared, and low-energy microwaves. The images and data they collect can be used to solve complex problems. Fo

Seeing Dead Soybean Plants in a Circular Pattern? Could Be Due to Lightning
8/17/2017

Lightning Strikes in Soybeans
What are the odds that a soybean plant can be killed by lightning? Very low! In a recent ten year period, eastern South Dakota had an average of one to two strikes per square kilometer, per year. While quite uncommon for lightning to damage ro

Are Bean Leaf Beetles Chewing Holes in Your Soybean Leaves?
8/11/2017

Bean Leaf Beetles
In June, we discussed how we were observing quite a few bean leaf beetles in the Southeast Region of the state. Now, as we enter August, we are again observing an uptick in bean leaf beetle numbers. Why might this be happening? It is because bean leaf bee

Understand Safety When Dealing With Hydrogen Sulfide
8/10/2017

The risks of hydrogen sulfide in swine operations have been known for years, but beef operators also need to be aware of the dangers this gas can pose. Increasing this awareness led Dan Andersen, assistant professor and agricultural engineering specialist with Iowa State University Extension and

Cover Crops After Small Grains
8/08/2017

Due to drier weather conditions small grain harvests are well ahead of average in some Regions of South Dakota. According to USDA- NASS report published on July 24th, 72% of winter wheat was harvested in the state, while spring wheat and oat harvest acres were 28% and 36% respectively.

New System Could Remove Two Water Pollutants From Ag Fields
8/02/2017

Algae blooms in the Gulf of Mexico use up the majority of the oxygen in the water, leading to massive “dead zones” that cannot support fish or other wildlife. The culprit? Nitrate, running off agricultural fields through tile drainage systems. But nitrate is only part of the problem. Alg

Experts Discuss the Future of Drones, Robotics in Agriculture
7/27/2017

Unmanned aerial vehicles (UAV) and other robotic vehicles are no longer seen as toys for hobbyists, but are becoming an important tool for the future of agriculture. But many people still have questions about the safety of drones, about how farmers are using UAV on their farms, and what kinds of

Corn Disease Management Decisions
7/25/2017

Factors that are likely to increase a return on a foliar fungicide investment include a history of disease, tight rotations, use of a susceptible hybrid, disease pressure at tasseling and weather conditions at tasseling and during grain fill.

Foliar disease management

A Five-Step Approach to Alleviating Farm Stress
7/24/2017

Farm stressors can come from many directions including the agricultural system, farm and family finances, mental and physical health challenges, and relationship difficulties. A healthy response to these challenges involves paying attention to the stressors within all of these areas and determining

Considerations for Corn Fields With Late Season Frost Damage
7/06/2017

The early morning of June 25th brought unusually cold temperatures to many areas of North Central South Dakota. The low temperatures resulted in damage to corn fields across the region. In many cases the damage was restricted to low areas in the field and areas with heavy residue. Corn in affecte

Western Bean Cutworms and Asiatic Garden Beetles are Emerging in Field Crops
7/05/2017

Western bean cutworm
Western bean cutworm moths are flying in southern and central counties. Numbers will pick up over the next few weeks, with peak flight (the target for corn scouting) expected from the last week of July into early August.

Visit the Assessing Water Damage to Emerged Soybeans

6/26/2017

Heavy rain in areas has created waterlogged and ponded areas in many soybean fields. The excess soil water is detrimental to soybeans for several reasons and affected producers need to know how to assess any yield reductions that may be associated with the flooded conditions. The following factor

Unusual Soybean Coloration Sheds a Light on Gene Silencing
6/20/2017

Today’s soybeans are typically golden yellow, with a tiny blackish mark where they attach to the pod. In a field of millions of beans, nearly all of them will have this look. Occasionally, however, a bean will turn up half-black, with a saddle pattern similar to a black-eyed pea.

Understanding Drought and Heat Stress in Crops
6/19/2017

Despite significant technological advancement in modern agriculture such as improved genetics, modern chemistries to control pests, equipment to aid in efficiency, and several other up-to-date management strategies, we still largely depend on nature to maximize crop production and profitability.

Monitor Field Margins For Grasshopper Populations
6/15/2017

With drought conditions occurring throughout much of South Dakota, it is important to begin monitoring field margins for grasshopper defoliation. Grasshopper populations are usually observed in grassy areas like ditches and field margins. They do not typically move into crops until later in the s

Suspect Herbicide Drift? U of I Extension Has Answers
6/13/2017

Every year the Illinois Department of Agriculture (IDOA) receives approximately 72 complaints of crop damage due to pesticide drift. When drift occurs, it is important to know the basics of the complaint process as well as the available resources.

“Neighborly discussions befo

New Way to Detect Palmer Amaranth in Contaminated Seedlots
6/12/2017

Last summer, farmers in the Midwest got an unwelcome surprise after planting native seed on Conservation Reserve Program acres. Palmer amaranth, the aggressive and hard-to-kill weed, had established in droves. As a possible solution, some states declared Palmer a noxious weed, which prohibits its

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