I have no-tilled corn into alfalfa stands before. The issue used to be getting weed control. Now that is not as big an issue. Some pointers: 1) You will need at the least single disk openers to help the double disk openers get to the depth needed. A friend has a planter that has Zone tillage disk on it. It really works well if it is dry so the disks do not throw too much dirt.
2) If you have row cleaners on the planter then set then down to actually work the ground just a little. It really helps with seed to soil contact.
3) You need good row closing equipment. Cast closing wheels are a start. The inverted disks that CIH uses will not work unless the ground is real moist. The spiked closing wheels work if it does not stay dry too long and this should not be an issue since you are under irrigation.
4) Plant a triple stack seed corn. Don't just count on Round Up to kill everything. It works well on the grass but some times will not get a good kill on the alfalfa. Liberty will knock the alfalfa. If you can burn the alfalfa down the fall before with Round Up. It works well in the fall. The chemical is carried to the roots much better in the fall.
5) Fertility: Alfalfa uses a lot of Potash so make sure you apply enough for the corn crop. The nitrogen that the alfalfa fixes will not all be available. So don't cut it back too far.
I have had good results with the right weather. That being plenty of moisture. I have had some insect problems too. So plan to use a good insecticide. Cut worms are real bad if the hay was real heavy the year before.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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