Category Archives: Corn

Ryegrass Questions and Management

Author: Larry Steckel, Extension Weed Specialist Comments Off on Ryegrass Questions and Management
Ryegrass escaping glyphosate plus dicamba burndown

Clearly, one weed many have had trouble with in 2018 is ryegrass.  Questions began months ago and continue today.  Questions have ranged from tactics to burn ryegrass down before planting to how to control it in a standing corn crop. What has become abundantly clear is that glyphosate is no longer an effective burn down option for ryegrass.  Continue reading

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Destroying a Poor Stand of Corn and Replanting Back to Corn

Author: Larry Steckel, Extension Weed Specialist Comments Off on Destroying a Poor Stand of Corn and Replanting Back to Corn

A number of questions have come in over the past several days on how best to destroy a partial stand of corn and replant back to corn. Apparently there will be several corn fields that will have to be replanted.  Continue reading

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Corn Nitrogen and Wet Soils

Author: Angela McClure, Extension Corn and Soybean Specialist Comments Off on Corn Nitrogen and Wet Soils

With continued wet weather, growers are sharing concerns about how rains may have impacted pre-plant or at-plant nitrogen in fields designated for corn. Continue reading

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Weather Issues and the Corn Crop

Author: Angela McClure, Extension Corn and Soybean Specialist Comments Off on Weather Issues and the Corn Crop

Wet weather this week is giving us time to formulate a plan to work with what is turning out to be a delayed planting year for corn. Continue reading

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Use Full Nitrogen Rate behind Mixed Cover Crops

Author: Angela McClure, Extension Corn and Soybean Specialist Comments Off on Use Full Nitrogen Rate behind Mixed Cover Crops

Frequent rains have put everybody behind schedule this spring for terminating their cover crops.  Termination timing impacts how quickly cover crops start to break down, potentially releasing nitrogen to corn, however, recent research suggests many cover mixtures are quite limited in their ability to contribute enough nitrogen to warrant cutting fertilizer rates. Continue reading

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Corn Planting off to Slow Start

Author: Angela McClure, Extension Corn and Soybean Specialist Comments Off on Corn Planting off to Slow Start

With weekly rains, cloudy weather, and sunny days interspersed with morning frosts, March of 2018 hasn’t been one for the record books if the goal was to plant corn early. March planted corn can yield well if we have decent conditions for emergence, however, waiting for better conditions appears to be the right thing to do for many parts of the state.  Continue reading

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Getting Late Early for Burndown in Corn

Author: Larry Steckel, Extension Weed Specialist Comments Off on Getting Late Early for Burndown in Corn

It is getting late early with respect to burndown in Tennessee.  This is particularly true for corn acres where we are well behind the burndown pace of most Tennessee springs. Typically by late March we have a good bit of corn ground burned down and often have a few acres planted. The 10 day forecast calls for a good chance of rain 7 out of those 10 days.  Regardless of whether the forecast is accurate corn burndown and planting will have to occur fairly close together. Continue reading

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Update on Herbicide Options for Horseweed Control in Burndown Applications

Author: Drake Copeland Comments Off on Update on Herbicide Options for Horseweed Control in Burndown Applications

There are many more options to control horseweed (marestail) in soybean and cotton than what was available just a few years ago. The biggest new option for many acres of Xtend cotton or soybean has been the use of Engenia or XtendiMax closer to planting than the standard 21 days before planting use of Clarity. Continue reading

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