Irrigated Corn Verification Fields are nearly mature, but did require a final irrigation this week to provide ample moisture to sustain the crop to physiological maturity. Some slight root lodging also recently occurred, but otherwise harvest progress should commence soon. Late-planted dryland fields still have a long way to go and are under drought stress.
Much of our late March planted irrigated corn is now reaching dent stage and will continue to fill kernels for another 20 days, if we help it do so. Therefore, you do not want to forgo any practices which may mitigate stress or pest issues yet. This article highlights irrigation needs and termination during the final growth stages.
Increasing populations of glyphosate-resistant and other herbicide-resistant weed species demand we adapt our corn weed control systems to address specific issues and prevent new ones. This may require you to implement strategies for a specific weed, plan on multiple herbicide applications, and improve your application timing.
One of the objectives of this program is to identify key production limitations, so the Mississippi State University Extension Service and Experiment Station can better direct efforts to develop innovations for our specific problems. This is a summary of such limitations documented during the past few years.
Corn is quite unique because much of its potential productivity is determined during the planting process. Thus, corn is often much more responsive or dependent on variables implemented during the planting than other Southern crops. This article gives planting guidelines for enhancing corn profitability.
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