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Special Features Section, Superior Express

New windows installed at Vestey Center, Crest Theatre

Jenny's REESources

 

New windows installed at Vestey Center, Crest Theatre
Workers were installing a new front entrance door at the Vestey Center, Tuesday, in Superior. They were replacing the two door unit with a single door units. According to Brad Schutte, a spokesperson for Howard's Glass in Hastings, the new door was more convenient and provided a better seal to prevent air infiltration.
Schutte was busy at work replacing windows at the Crest Theatre. Windows on the first and second floors, west and south sides, are being replaced with new metal framing and insulated glass. The original windows date from the construction of the building in the early 1950s. The work will be completed after the Thanksgiving holiday. The window replacement project is being done in conjunction with the insulation and siding of the building.

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Jenny's REESources, by Jenny Rees, UNL Extension

This weeks' UNL CropWatch at http://cropwatch.unl.edu has some really good information on grain drying Q/A from Ken Hellevang from North Dakota State University. Here is one question and answer provided; see the full article at http://go.unl.edu/xzur.
"Question: With the sudden change in air temperature, what is the best management strategy for running aeration fans on bins to cool grain without freezing the bin? Answer: Corn kernels will not freeze together if the moisture content is below 24 percent. There is extensive experience with cooling corn to well below freezing and the corn still being able to flow normally. The acceptable moisture content decreases with more foreign material in the corn. I recommend that corn moisture be less than 24 percent to hold it until outdoor temperatures are above freezing and at or below 21 percent to hold corn until spring.
Some people are recommending that wet corn not be cooled below freezing because ice crystals will form in the void spaces between the corn with the moisture coming from the corn. Based on extensive experience, I am not aware of this being a problem.
Frosting will occur when moist air comes in contact with a surface at a temperature below freezing. It typically occurs when air from warm corn comes in contact with a cold bin roof and roof vent during aeration. It can occur with corn at temperatures below freezing when warmer air comes through the cold corn. This could occur if the corn at the top of the bin was cold and warm air from corn below is moved through the cold corn as the bin is cooled using aeration. Normally this will occur only in a shallow layer of corn at the top of the bin and only for a period of time until that corn has been warmed by the aeration air coming from the warm corn. The amount of frost accumulation expected in the corn increases as the corn gets colder and the layer of corn gets thicker. Since corn is a good insulator, the cold layer is normally expected to be fairly thin and the warm aeration air removes the frost.
If the corn is warmer than the bin steel, condensation in the form of frost will occur on the bin roof and bin vents. A rapid drop in outdoor temperature makes this very likely. Cooling the corn in small steps reduces this potential. The general goal is to cool the corn to just below freezing. Do this by operating the fans only when outdoor air temperature is above 20. Corn at 22 percent moisture has an estimated allowable storage life of about 60 days at 40 degrees and 30 days at 50 degrees. Further cooling of cool corn at the recommended moisture content can be delayed until appropriate temperatures exist. Ideally the aeration air temperature would be 10 to 15 degrees cooler than the corn. If it is extremely cold, it is best to not run the fan and wait for an appropriate air temperature.
As we continue to share ways to reduce input costs this coming year with current prices and high cost of production, one often undiscussed cost is the huge rise in family living expenses. Tina Barrett, executive director, Nebraska Farm Business Incorporated wrote a great article in this week's CropWatch at: http://go.unl.edu/xeoe. To pique your interest, consider that the amount of money spent on family living was around $34,000 in 1994 and rose to almost $100,000 in 2013. These expenses were fairly steady from 1994 to 2004, then rapidly increased with higher commodity prices. Please see the article for more details.

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