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Iowa Soybeans: New Dicamba Labels Issued

Iowa Soybeans: New Dicamba Labels Issued

👤By Kristine Schaefer, Iowa State University Extension Pesticide Safety Specialist 🕔Jan 12, 2018

In October 2017, the Environmental Protection Agency reclassified Engenia, FeXapan herbicide Plus VaporGrip Technology, and Xtendimax With VaporGrip Technology as Restricted Use products and added additional restrictions and requirements to their use. One of the additional requirements stated that anyone

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Iowa Corn, Soybeans: High Yields Despite Drought Conditions

Iowa Corn, Soybeans: High Yields Despite Drought Conditions

👤By Sotirios Archontoulis, Mark Licht, and Mike Castellano, Iowa State University Extension Specialists 🕔Jan 5, 2018

Most of Iowa was wet and cool during planting time (end April to mid-May), warm and dry during vegetative growth (June to July), and cool and wet during reproductive development (August to September). In some locations, the June-July drought was

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Soybeans: Fight SCN with Varieties Choices, Non-Host Crops, Seed Treatments

Soybeans: Fight SCN with Varieties Choices, Non-Host Crops, Seed Treatments Updated

👤By Greg Tylka, Iowa State University Extension Plant Pathologist 🕔Dec 26, 2017

The soybean cyst nematode (SCN) continues to be the most-damaging soybean pathogen in the US and Canada. The nematode is widespread in fields through Iowa and much of the Midwest. Management options for SCN include growing nonhost crops (such as

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Iowa Corn, Soybeans: Better Than Expected Yields

Iowa Corn, Soybeans: Better Than Expected Yields Updated

👤By Charles Hurburgh, Iowa State University Extension Specialist 🕔Dec 21, 2017

Corn and soybean yields in 2017 were better than expected, which will add to the largest grain surpluses in recent years. As of the November 9, 2017 USDA crop production estimates, national corn yield estimates exceeded 2016 production and were closer

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What’s the Real Deal with Soybean Cyst Nematodes and Cover Crops?

What’s the Real Deal with Soybean Cyst Nematodes and Cover Crops?

👤By Chelsea Harbach, Iowa State University 🕔Nov 29, 2017

The number of acres planted to cover crops annually has been steadily increasing in recent years throughout the United States. Meanwhile, the soybean cyst nematode (SCN) continues to sit atop of the U.S. list of yield-suppressing pathogens. It’s no coincidence,

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Iowa Weeds: The Cost of Resistance in Extra Herbicides

Iowa Weeds: The Cost of Resistance in Extra Herbicides

👤By Bob Hartzler, Iowa State University Weed Specialist 🕔Nov 13, 2017

The primary impact of herbicide resistance for most Iowa farmers has been an increase in expenditures for herbicides.  Extension Weed Specialist Bob Hartzler decided to do a quick analysis of this by using ISU Extension’s annual Estimated Costs of Crop Production.

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Iowa Corn: Addressing the Edge or Border Effect on Yields

Iowa Corn: Addressing the Edge or Border Effect on Yields

👤By Mark Westgate and Rebecca Vittetoe, Iowa State University Extension Agronomists 🕔Nov 8, 2017

There have been many reports of corn along the edge of the fields yielding drastically less than the remainder of the field. In many cases, the yield loss is most obvious on the southern edge of the field, but it

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Iowa Soybeans: Know Your SCN Numbers

Iowa Soybeans: Know Your SCN Numbers

👤By Greg Tylka, Iowa State University Extension Plant Pathologist 🕔Oct 30, 2017

Soybean farmers have kept the soybean cyst nematode (SCN) “in check” for decades simply by growing SCN-resistant soybean varieties. Unfortunately, prolonged use of varieties with SCN resistance genes from a breeding line called PI 88788 has resulted in SCN populations building

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Iowa Grain Storage: Time to Turn on the Fans

Iowa Grain Storage: Time to Turn on the Fans

👤By Charles Hurburgh, Iowa State University Extension Specialist 🕔Oct 27, 2017

Up to this point in the harvest season we have been short on grain dry down and cooling weather. Corn moisture percentages have been hanging in the 20’s, sometimes in the upper 20’s. This past week eliminated much of the

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Iowa: New Dicamba Labels Impact Application Timing

Iowa: New Dicamba Labels Impact Application Timing

👤By Bob Hartzler and Meaghan Anderson, Iowa State University Extension Specialists 🕔Oct 26, 2017

The EPA recently announced changes to the new dicamba labels in response to widespread off-target plant injury in 2016. The most significant change is classification of the new dicamba formulations as Restricted Use Products. Other changes will reduce the hours available

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