The Latest

Iowa: Corn Nitrogen Rate Calculator Updated for 2017

Iowa: Corn Nitrogen Rate Calculator Updated for 2017

👤By John Sawyer, Iowa State University 🕔Mar 28, 2017

The regional Corn Nitrogen Rate Calculator (CNRC) website was recently updated with a revised Iowa N response trial database that includes data through the 2016 crop year. Last year the CNRC website was revised and the URL changed. The ISU

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Illinois: Cooperators Sought for Insect Trapping Network

Illinois: Cooperators Sought for Insect Trapping Network

👤By Kelly Estes, Iowa State University 🕔Mar 14, 2017

Despite the snow falling outside of my window this morning, plans continue for the upcoming survey season. Mother Nature has hinted at spring with temperatures in the 70’s just last week and its time to start thinking about spring insect

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Iowa Alfalfa: Plan to Scout Stands for Winter Survival

Iowa Alfalfa: Plan to Scout Stands for Winter Survival

👤By Brian Lang, Iowa State University 🕔Mar 14, 2017

A warm weather pattern in late February caused soil temperatures across most of Iowa to rise above 40 degrees Fahrenheit (F). This warm period was likely long enough for alfalfa and some forage grasses (most ryegrass varieties and less winter-hardy

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Iowa: Not a Fan of Adding Palmer Amaranth to Noxious Weed List

Iowa: Not a Fan of Adding Palmer Amaranth to Noxious Weed List

👤By Bob Hartzler, Iowa State University 🕔Mar 8, 2017

A bill has been introduced in the Iowa legislature that proposes classifying Palmer amaranth as a primary noxious weed.  The weed law gives counties the authority to fine landowners who fail to control noxious weeds, and,if necessary, enter land to

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New Addition to Hartzler’s Herbicide Promo Hall of Shame

New Addition to Hartzler’s Herbicide Promo Hall of Shame

👤By Bob Hartzler, Iowa State University 🕔Feb 28, 2017

It has been several years since I’ve added anything to the Herbicide Ad Hall of Shame, but I feel DuPont’s sales sheet for Fexapan warrants inclusion.  At a time when nearly everyone realizes we are painting ourselves into a corner

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Iowa: Biofuels Represent 3.5% of the State’s Gross Domestic Product – DTN

Iowa: Biofuels Represent 3.5% of the State’s Gross Domestic Product – DTN

👤By Todd Neeley, DTN Staff Reporter 🕔Feb 16, 2017

There remain many other unknowns as to what will become of the Renewable Fuel Standard with the U.S. Senate yet to confirm Scott Pruitt to head the U.S. Environmental Protection Agency. Pruitt’s confirmation vote is expected to come sometime likely

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Iowa: Soybean Aphids – Recommendations for Fighting Resistance

Iowa: Soybean Aphids – Recommendations for Fighting Resistance

👤By Erin Hodgson, Iowa State University 🕔Feb 15, 2017

Soybean aphid remains the most important soybean insect pest in Iowa, and management over the last fifteen years has primarily relied on using foliar insecticides. The economic injury level was defined in 2007, and is approximately 675 aphids per plant

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Iowa Weeds: Is 80% of Waterhemp Really Resistant to Group 14 Herbicides?

Iowa Weeds: Is 80% of Waterhemp Really Resistant to Group 14 Herbicides?

👤By Bob Hartzler, Iowa State University 🕔Feb 13, 2017

The University of Illinois Plant Clinic recently published results of their 2016 herbicide resistance screening program.  For a $50 fee the Clinic analyzes waterhemp for resistance to both Group 9 (glyphosate) and Group 14 (PPO inhibitor) herbicides.  Unfortunately, samples from

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Iowa: Herbicide Resistance Management Session, Commodity Classic, San Antonio, March 4

Iowa: Herbicide Resistance Management Session, Commodity Classic, San Antonio, March 4

👤By Bob Hartzler, Iowa State University 🕔Feb 13, 2017

Planning on attending the Commodity Classic in San Antonio in March? Have experience with herbicide resistant weeds?   If you are involved in crop production in Iowa, the answer to the second question is yes. The Weed Science Society of America

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Iowa: Field Crop Scout School, Ames, March 25

Iowa: Field Crop Scout School, Ames, March 25

👤By Warren Pierson and Brent Pringnitz, Iowa State University 🕔Feb 7, 2017

Iowa State University Extension and Outreach will offer a Field Crop Scout School on Saturday, Mar. 25, at the Scheman Building in Ames. Designed for beginning crop scouts, the day-long course features sessions on crop growth and development, weed, disease

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