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East Central Ia | We have been doing this for years... works great. We have run both the angled coulter that cuts a slot for the manure and now we run a shank type... both have had the Yetter double disc closers. It seems to level out more then our NH3 toolbar does with mole knifes, but we no-till behind everything in bean stubble and get along great.
Some years you can notice where the manure rows were applied as the plants are a hair taller and greener for a few days until the rest of the corn finds the same N source... it has never correlated to a yield difference though.
These pictures are from spring of 07'. Fall applied manure, and spring applied NH3 to finish out the last little corner of the field. The manure corn is the taller corn. Pics were taken on 6-7-07. Forgot to do a yield check but could probably look it up on my yield map to see if their was a difference.
Forgot to mention that the guys around here that do not inject it and just run covering discs do normally run over their ground with something. Dad's cousin has some custom haulers do his building and they just run covering discs and then have a Phoenix Harrow that they let the customer run over the field to level it out. Haven't looked real close to see how much dirt it moves so I don't know if you could run behind that without touching it.
Edited by bleedred 9/17/2008 09:50
 (ManureNH3line.JPG)
 (ManureNH3check.JPG)
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 ManureNH3line.JPG (83KB - 42 downloads)
ManureNH3check.JPG (84KB - 40 downloads)
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injected manure and no-till
