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Extension > Minnesota Crop News > Iron Deficiency Chlorosis Field Day - Monday July 26th Blomkest MN

Iron Deficiency Chlorosis Field Day - Monday July 26th Blomkest MN

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You are invited to a field day located along highway 71 between Olivia and Blomkest on the southeast corner of the intersection of U.S. Highway 71 and Kandyohi/Renville county line road. Discussions will focus on recent research on iron deficiency chlorosis and a tour of the research plot at this location. Registration for the event will begin at 9 am with speakers starting at 9:30.

Speakers present will discuss:

• Basics of the chemistry behind IDC in soils
• Research trials conducted by the University of Minnesota in the last five years
• A plot tour and discussion on current efforts in IDC management is soybean
• Presentations from sponsors Renville/Kandiyohi Corn and Soybean Growers and West Central Inc. on efforts for increasing soybean yields in western Minnesota.

Iron deficiency chlorosis is a major production issue affecting many soybean acres in western Minnesota. Current research has focused on utilizing recently available iron chelate fertilizers applied with the seed or planting a companion crop with the soybean. Two strip trials were established in 2010 to study the effects of four management strategies identified by previous research to potentially increase yields in the presence of IDC

• No IDC management
• 3 lbs of EDDHA 6% iron chelate applied with the seed
• 2 bushel per acre oats companion crop broadcast and killed at 10"
• EDDHA iron + oats companion crop

The current study is laid out at short strips within the field to be able to study soil test variability and how the management strategies influence potential yield response on two varieties, one more tolerant to IDC and the other less tolerant and generally higher yielding when IDC is not present.

The field day is organized by University of Minnesota Extension, the Renville and Kandiyohi County corn and soybean growers, and West Central, INC. Come join us on July 26th for a discussion on the research and bring any questions related to soil fertility and iron deficiency chlorosis.

Map to the location

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