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Corn on Corn - handling/breaking down residue in high yield systems Jump to page : 1 Now viewing page 1 [50 messages per page] | View previous thread :: View next thread |
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Jim |
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Driftless SW Wisconsin | This has been a very interesting week for me working with several different customers, old and new. In most of life's endeavors, the better you get at it and the longer you do it, the EASIER it gets. However in raising high yielding continuous corn on corn in a strip till system, the second and third years especially can be a real challenge in dealing with the residue produced by your "success". the soils biological engine that loves corn may not have kicked in fully yet. The second or third year, especially after converting from conventional tillage, the soil structure (defined as the ability of the soil to support a load without undo compaction) may not have had time to heal itself yet and shows the effects of grain cart tire tracks, 30,000 lb+ axle loads etc.... In a way for the first few years it seems that the more successful you are (= high yields) the HARDER it gets the next season. At this point it is often tempting to hook a tillage tool of some sort to the rear of a big tractor and appease the neighbors peer pressure. However I had a conversation with one long time central IL strip tiller and multi year Pluribus user on how he deals with all the residue. Here is his very interesting prescription for dealing with way over 200 bu/a corn residue without turning the soil over and using many of the benfits of strip till. He is also in a very heavy, often wet spring area.
As far as nitrogen, this customer is in a fall anhydrous area. He tells me he tries to apply nh3 in the fall after the AERWAY pass but recently applied it in the spring with RTK and a standard nh3 applicator then moved over 15" and did the Pluribus pass a few days later and planted. He felt this was very successful and eliminated the need to sidedress which in his area he felt he did not have time for. This is similar to Greywolf's plan to his "side dressing" all as part of his spring strip till ahead of the planter. For those not in an NH3 area, I would use what many of or customers do and apply no N in the fall, 1/3 of your N as part of a dry mix or just banded liquid 28% in the Pluribus strip then 2/3 side dressed, maybe on 60" centers. What I had seen but not really fully considered before is the benefit to using an AERWAY in the fall to get most of the residue in contact with some soil (another of Greywolf/Bruce's talking points for a northern short season climate) and also break up at least the upper portion of some tire compaction. Just another idea from a very successful farmer. Thanks to him for sharing his methods. Think of this as another tool in the toolbox. Jim at Dawn edit: here is a photo of an Aerway in cornstalks from the Aerway Co website. This isn't really the 12" tall stalk condition but does give an idea. Maybe someone else can share their experience or field photo of an Aerway behind a knife roll cornhead in high yeilding corn. My customer runs a 25 ft Aerway. Does take some power at 8 mph. Edited by Jim 3/29/2011 22:21 (Aerway in corn from Aerway website.jpg) Attachments ---------------- Aerway in corn from Aerway website.jpg (92KB - 166 downloads) | ||
scmn_06 |
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Blue Earth, MN | How soon after manure application does he run the Aerway? Do you know if that method satisfies the manure regulations regarding incorporation? | ||
Jim |
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Driftless SW Wisconsin | I'm not sure on either count. however my understanding is that the standard practice is to run it immediately after spreading to minimize losses. The impression I got it that the sooner and faster you run the better the incorporation action and 8 mph is the goal. sort of like the Pluribus turbulent transition point at about 5 mph. I would bet with manure there is still a fair amount on or near the surface but doubt it would run off much. Jim at Dawn. Edited by Jim 3/29/2011 23:35 | ||
ezzard |
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SE IA | I have seen a custom manure guy running an Aerway on his drag hose rig. Would make one less pass if you were using this system. I wouldn't think it would do as good a job of incorporation but I don't have any experience running one. | ||
Philbert |
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BENTON, MO | Does he plant on top of the old rows or beside them? | ||
Gerard |
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Woodham, Ontario | I have an aerway SSD system which puts the manure right on top of the holes and it works much better than a splashplate system combined with the aerway. In these pics I applied 7000 gallons per acre and very little is on top of the ground. There is no way to go 8 MPH and apply significant amounts of manure... Edited by Gerard 3/30/2011 09:07 | ||
Jim |
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Driftless SW Wisconsin | He spring strips and plants the next years corn crop between last year's corn rows. Gerard, I don't think the 8 mph applies when applying manure with the Aerway as you are! I think whatever is applied is just spread on the surface as is lime or any boadcast fertilizer then the Aerway is run at an angle to the 12-16" tall corn row stubs at 8 mph. The concept is to pin the upper parts of the corn plant cut by the knife rolls into contact with the soil and toss abit of soil on the pieces. The 8 mph helps to toss a bit of soil. But there is just enough of the stalks left standing to keep things from blowing over the winter. Jim at Dawn Edited by Jim 3/30/2011 10:11 | ||
earp |
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Manila, Ar | 7k gallons /acre.............jeez how could you possibly haul it to the field fast enuf?........... | ||
Gerard |
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Woodham, Ontario | Depends how far you go. We have been pumping straight from the pit. Can pump almost 1000 gallons per minute, depends on how much hose and how thick it is. Drive a few miles per hour with the 15' aerway, but with the dual splashsplate @ 49' wide, I drove 1.2 MPH. The 7930 with IVT ran at 1200 RPM the entire time. We are planning to have manure hauled 3 miles and they figure 3 trucks should be able to keep me going. | ||
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