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Ohio Corn: Are Late Maturing Fields at Risk of Frost Injury?

Ohio Corn: Are Late Maturing Fields at Risk of Frost Injury?

👤By Peter Thomison, Ohio State University Extension Specialist 🕔Sep 12, 2017

According to the National Agricultural Statistics Service as of Sept. 10, 69 percent of Ohio’s corn acreage was in the dent stage (R5) compared to 76 percent for the five-year average; 16 percent of the corn acreage was mature, slightly less

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Ohio Corn: Stress During Grain Fill? Expect Stalk Health Problems

Ohio Corn: Stress During Grain Fill? Expect Stalk Health Problems

👤By Bob Nielsen, Ohio State University Agronomist 🕔Aug 25, 2017

Serious crop stress during the grain filling period of corn increases the risk of stalk rots and stalk lodging (breakage) prior to grain harvest. Among the more common serious stresses that can occur during grain fill are nitrogen deficiency, foliar diseases (e.g.,

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Indiana Corn: Estimating Grain Yield Prior to Harvest – 2 Prediction Methods

Indiana Corn: Estimating Grain Yield Prior to Harvest – 2 Prediction Methods

👤By Bob Nielsen, Purdue University Extension Agronomist 🕔Aug 18, 2017

Fancy colored yield maps are fine for verifying grain yields at the end of the harvest season, but bragging rights for the highest corn yields are established earlier than that down at the Main Street Cafe, on the corner of

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Indiana Corn: Good Pollination Conditions Help Offset Early Challenges; Scout Fields for Diseases

Indiana Corn: Good Pollination Conditions Help Offset Early Challenges; Scout Fields for Diseases

👤By Bob Nielsen, Purdue University Extension Agronomist 🕔Aug 10, 2017

A rough start to the growing season put Indiana’s corn crop behind the proverbial 8-ball from the beginning, due to the weather- and disease-driven challenges to germination, emergence, and early establishment of the young plants. Many fields were replanted, fully

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Indiana Corn: Poor Kernel Set Can Stem from a Variety of Issues

Indiana Corn: Poor Kernel Set Can Stem from a Variety of Issues

👤By Bob Nielsen, Purdue University Extension Agronomist 🕔Aug 10, 2017

The post-pollination scuttlebutt overheard in coffee shops throughout Indiana during late summer often revolves around the potential for severe stress that might reduce kernel set or kernel size in neighborhood cornfields. Growers’ interest in this topic obviously lies with the

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Indiana: Agronomy Field Day, West Lafayette, Sept. 7

Indiana: Agronomy Field Day, West Lafayette, Sept. 7

👤By Darrin Pack, Purdue University 🕔Jul 24, 2017

Farmers trying to balance weak crop prices and rising input costs can learn more about farm financial fitness at a field day sponsored by Purdue Extension, the Purdue Department of Agronomy, the Indiana Soybean Alliance and the Indiana Corn Marketing

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Indiana Corn: Silk Development and Emergence

Indiana Corn: Silk Development and Emergence

👤By Bob Nielsen, Purdue University Agronomist 🕔Jul 7, 2017

The corn plant produces individual male and female flowers (a flowering habit called monoecious for you corny trivia fans.) Interestingly, both flowers are initially bisexual (aka “perfect”), but during the course of development the female components (gynoecia) of the male flowers

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Indiana Corn: Tassel Emergence and Pollen Shed

Indiana Corn: Tassel Emergence and Pollen Shed

👤By Bob Nielsen, Purdue University Agronomist 🕔Jul 7, 2017

Depending on the year, Indiana’s corn crop typically enters the critical flowering stages of pollen shed and silk emergence sometime between late June to late July. Success or failure during this period of the corn plant’s life greatly influences the

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Corn: ‘Beer-Can’ Ears – How Did This Happen? – DTN

Corn: ‘Beer-Can’ Ears – How Did This Happen? – DTN

👤By Daniel Davidson, DTN Contributing Agronomist 🕔Sep 23, 2015

An agronomist in central Illinois recently sent me an email reporting corn ears with 16 or even 18 rows around but limited length, only 20 to 22 kernels long. They were “beer-can ears that you could throw like a baseball,”

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Indiana Corn: Sample Soils to Assess N Losses

Indiana Corn: Sample Soils to Assess N Losses

👤By Bob Nielsen, Purdue University 🕔Jun 18, 2015

Excessive rainfall and the resulting ponding, flooding, or saturated soils have likely caused some loss of applied and soil-derived nitrogen (N). Nitrate-N (NO3-N) is the form of N most likely to be lost from the crop root zone, either to

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