Research conducted by the University of Nebraska and elsewhere shows that corn is relatively drought tolerant during the vegetative period, but very sensitive to water stress during silking through early grain fill.
Every irrigator can make excellent irrigation scheduling decisions by getting the right information and analyzing the data. Today it is easier they ever to install equipment the will automatically record and help analyze the data before sending it to your computer or smartphone.
Pivots have several potential hazards, making it important to review safety procedures each year with every person on the farm. Every person that will operate the system should read all the safety instructions in the machine’s manual or be trained by a knowledgeable trainer.
The last few irrigations of the season require some of the most important water management decisions of the year. An unneeded irrigation may waste 1 to 3 inches of water and 2 to 5 gallons of diesel fuel per acre and leave little room in the soil profile to capture winter/spring rains.
In some years it may be difficult to well establish a cover crop after corn harvest. This article surveys current research on interseeding into an established crop, further considerations, and how to test this practice on your farm.
As waters drain and soils dry out, part of the recovery process will include checking irrigation systems for damage and performing maintenance/repair before those systems can be used. Here's what to check in your power unit, irrigation well, and center pivot.