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Showing posts from 2014

Drastic outdoor cooling may create some grain storage and drying problems

The drastic outdoor cooling that has occurred may create some grain storage and drying problems. Following are some questions that I have received and my responses. The questions are italicized and my answers follow the questions.


Kenneth Hellevang, Ph.D., PE, Extension Engineer, Professor Fellow-American Society of Agricultural and Biological Engineers
North Dakota State University Extension Service

Be sure to check the article feeds . . .

Be sure to check the article feeds that appear in the right column of this page.

Topics that are posted to the Minnesota Crop News, the Southeast Minnesota Crop Connections and UMN Extension - All News are updated automatically. These topics are often relevant to NW Minnesota agriculture and should not be overlooked.

You can subscribe to these sites separately and receive updates directly to your e-mail or RSS Feed Apps on your phone or other enabled device.

We also link to the IPM Stuff from Southwest Minnesota which is posted as a *PDF document. You can receive these updates directly by subscribing to it independently. Visit the web site for the subscriber connection.

Managing stored grain to minimize storage losses

By Phyllis Bongard on September 18, 2014 9:11 AM
by Phil Glogoza and Dave Nicolai, Extension Educators-Crops

When grain harvest approaches, it is time to review basic on-farm grain storage principles for maintaining quality of stored commodities. Harvest should include preparation of storage structures to receive grain. Preparation includes several practices that aid in preventing pest infestations from developing within our storage structures.

Read more >>

Total Tillage Solutions Field Day draws big crowd

Here is a story and video highlighting the Total Tillage Field Day held on September 4 near Appleton, MN.

written by Jonathan Eisenthal, Minnesota Cornerstone blog

About 250 farmers gathered at a farm field seven miles south of Appleton in Lac qui Parle County to see demonstrations and hear information covering the entire spectrum of tillage, from ‘biological tillage’ (letting earthworms and tillage radishes do the heavy lifting) to moldboard plowing — the most invasive technique, but still a useful tool to be applied sparingly, according to the experts.

Read more >>

or, Video Highlights from the field day produced by Minnesota Corn Growers Association

Mid-September frost on corn and soybeans

By Phyllis Bongard on September 16, 2014 
Seth Naeve, Extension Soybean Agronomist, Jeff Coulter, Extension Corn Agronomist, Dave Nicolai, Extension Educator - Crops, and Phyllis Bongard, Educational Content Development and Communications Specialist

Figure 1. Frost effects on corn in Dakota County following a September 13th early morning frost indicating increased upper
canopy damage in lower elevations of the field.
Many corn and soybean fields in central, west central, and southwest Minnesota were affected by frost during the morning hours of September 13, 2014. As is always the case, the frost damage appears to be highly variable based on local climate conditions, crop maturity, and topographical features.

Read more>>

Re-Launch of the Forage Quarterly newsletter

Welcome to a resumption of the Forage Quarterly newsletter. It will provide an informational outlet for the UMN Forage Team.

Soybean aphid thresholds demystified - a satirical examination

prepared by Bruce Potter, IPM Specialist SW MN
University of Minnesota Southwest Research and Outreach Center, Lamberton


Before anyone gets too bent out of shape over this... Yes, I know this is a stressful time for some soybean growers, most of their advisers and for aphid researchers too.   It is not illegal to apply insecticide to any population of soybean aphids as long as it is within label restrictions.  Finally, I am not the police and it's the soybean farmer's money, not mine, at risk. Insecticide resistance does tend to spread itself around though.

Based on emails and phone calls, there seem to be several economic (action) thresholds for soybean aphids in use now.

Soybean Aphid migration, colonization and infestations underway!

Soybean aphid migration is underway in NW Minnesota. Scouting indicates winged aphids are being found in fields. In some fields, the small infested hot spots (3-4 row feet of heavily infested plants) are more readily detected.
Scouting fields needs to begin in earnest to determine where your fields are in the process. The following link will take you to a refresher on aphid biology, scouting and treatment decision making.
http://www.extension.umn.edu/agriculture/soybean/pest/docs/soybean-aphid-scouting.pdf

More updates as this progresses . . .

Preharvest Management Options for Wheat

By Jochum Wiersma Winter wheat, if not already there, is quickly approaching physiological maturity. The earliest seeded spring wheat is soon to follow. And thus, it is time to evaluate your pre-harvest management options. Follow this link to read a quick review of your options.

Although there are very persistent assertions, pre-harvest glyphosate - when applied according to the label - should not result in changes in grain protein. A summary of a study to debunk this myth can be found here

HRSW varieties differ for their resistance to pre-harvest sprouting. This high-temperature dormancy peaks at physiological maturity. Repeated wetting and drying of the grain in a swath or even while standing will degrade this dormancy over time. The dormancy of some varieties break down sooner than other, potentially resulting in sprout damage. Click here to look up the ratings for the current H…

Soybean Aphid Scouting Reports from NW Minnesota

Begin scouting fields to establish where your soybean aphid field infestations are at this time.Here is a captured image from Google maps showing our first soybean field scouting reports from around the southern end of NW MN. Most of our scouting detected no infestations based on random plant selection/scouting. Aphids have been found in fields, but the numbers have been well below treatable populations.
_________________________
Updates:
July 17, 2014
Scouting activities did find a field (indicated by red marker) with low level of aphids on Thursday, July 17. Plants with aphids on them represented ~30% of the plants inspected (~70% had "0" aphids). When aphids were found, numbers were well below 20/plant. 

July 22, 2014
Scouting in the Underwood, MN area. Aphids were observed in fields, but the infestations were generally light. Plants with aphids present accounted for under 25% of those sampled. When aphids were found, they numbered less than 10 aphids/plant. One sampled plant …

Fusarium Head Blight (Scab) Forecasting Models

The recent windy days and reduction in extended moisture events has reduced scab risk based on the forecasting models. However, if frequent moisture events and high relative humidity occur, scab risk will increase quickly.  

Bacterial Leaf Streak in Wheat

Prepared by Dr. Andrew Friskop, Extension Plant Pathologist, NDSU

Last week the IPM survey scouts recorded bacterial leaf streak (BLS) in a few wheat fields. Additionally, I noticed BLS showing up in one of my wheat trials on campus. Given these observations, I feel it is important to review information on BLS. 

Crops and Soils Day at the Northwest Research and Outreach Center, Crookston

Crops & Soils Day  Northwest Research and Outreach Center, Crookston, MN Wednesday, July 16, 2014

Small Grains Survey for June 9 - June 20, 2014

Crop growth stage maps from last week had fields across the NW region in the leaf to tillering stages. The map that will be published next week will show rapid progress, with fields in the joint - boot - flowering stages. The further south you go, the crop is flowering - milk stage, primarily the winter wheat.