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Tag "Iowa"

Iowa Soybeans: Evaluating Early Season Herbicide Injury

Iowa Soybeans: Evaluating Early Season Herbicide Injury

👤By Bob Hartzler, Iowa State University 🕔May 26, 2017

The potential for herbicide injury with preemergence herbicides is greater with soybean than corn. The risk increases with environmental conditions that reduce crop vigor and growth rate, and also with heavy rain that moves the herbicide to the depth of the

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Iowa Corn: Estimating Lost N from Wet Spring

Iowa Corn: Estimating Lost N from Wet Spring

👤By John Sawyer, Iowa State University 🕔May 26, 2017

Lately it seems to be an annual question with no exception this spring – has there been nitrogen (N) loss from my applied N? That question should also include what has been the N loss from the soil N supply

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Iowa Soybeans: Preemergence Herbicide Options for Planted Fields

Iowa Soybeans: Preemergence Herbicide Options for Planted Fields

👤By Bob Hartzler, Iowa State University 🕔May 26, 2017

The spread of multiple herbicide resistant weeds brought an end to the era of total postemergence programs in soybean. Unfortunately, a prolonged rainy period prevented applications of preemergence treatments on many planted soybean fields in certain areas of the state. By the time

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Iowa: Crops Emerging, but Wet Conditions Hold Up Finishing #Plant17

Iowa: Crops Emerging, but Wet Conditions Hold Up Finishing #Plant17

👤By Rebecca Vittetoe, Iowa State University 🕔May 23, 2017

Currently 92% of Iowa’s corn crop has been planted and 62% of the soybean crop according to Monday’s USDA Crop Progress Report. However, the wet weather across the state has put #Plant17 and other field activities on hold as farmers only had 2.3 suitable

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Midwest Soybeans: IPM Best Strategy for Soybean Aphid Management, Says Study

Midwest Soybeans: IPM Best Strategy for Soybean Aphid Management, Says Study

👤By Shari Finnell, Purdue University 🕔May 16, 2017

About 89.5 million acres of soybeans will be planted across the United States in 2017 — a record high, according to the USDA. Research published in the April 2017 issue of Pest Management Science indicates that many of these soybean

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Iowa: Time to Scout CRP for Palmer Pigweed?

Iowa: Time to Scout CRP for Palmer Pigweed?

👤By Bob Hartzler, Iowa State University 🕔May 15, 2017

Iowa State University Extension weed specialist Bob Hartzler decided to take advantage of the great weather and see if Palmer amaranth could be identified in CRP fields where it was introduced last year.

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View from the Cab: Iowa Farmer Planted; Oklahoma Farmer Stalled by Rain

View from the Cab: Iowa Farmer Planted; Oklahoma Farmer Stalled by Rain

👤By Richard Oswald DTN Special Correspondent 🕔May 12, 2017

DTN View From the Cab farmer Brent Judisch of Cedar Falls, Iowa, had a good week. “I worked up a 10-acre piece for corn on Tuesday. Went down Wednesday night before dark and planted it.  “Started spraying bean pre-emerge Wednesday

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Iowa Corn: Few Black Cutworm Moths, but Keep Scouting

Iowa Corn: Few Black Cutworm Moths, but Keep Scouting

👤By Adam Sisson and Erin Hodgson, Iowa State University 🕔May 11, 2017

This is the time of year when calls about black cutworm (BCW) scouting dates start to roll in, especially when Corn Belt states to the east have reported high moth numbers in traps. Despite what is being observed in states to

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Iowa Field Reports: Planting Pushes Ahead Following Cool, Wet Weather

Iowa Field Reports: Planting Pushes Ahead Following Cool, Wet Weather

👤By Rebecca Vittetoe, Iowa State University 🕔May 10, 2017

#Plant17 is progressing across Iowa. Following a period of cooler and wetter weather, most farmers have been able to get back in the fields over the weekend and either resume or start planting. According to Monday’s USDA Crop Progress report,

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Iowa Corn: Grubs Are Active in Field Crop Soils

Iowa Corn: Grubs Are Active in Field Crop Soils

👤By Erin Hodgson, Iowa State University 🕔May 10, 2017

This week, a couple Iowa crop consultants reported grubs are easy to find this spring. I assume they are digging in crop soils to evaluate seed germination. Last year, there was some grub feeding injury in seedling corn and so

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