Posted by andy r on December 15, 2014 at 18:13:38 from (75.91.149.15):
I run a modified John Deere 7000 6 row planter with 5 interplant units on it. This lets me plant 11 - 15 inch soybean rows. The planter is dedicated to soybeans only. When I sat the planter up I used the frame mounted no-till coulters rather than the individual row unit coulters. Alot of the earlier 7000's had this kind of no-till coulters. They work fine, but sometimes I feel I would like them to cut through the residue a little better. Once in awhile I see some hairpinning of the corn stalks as the double disk opener passes over and some soybeans being planted too shallow or not covered. This problem is rare and soybeans are pretty forgiving. With good rains you wouldn't even realize you have a problem.
Do any of the no-till coulters have superior penetration through the trash and into the soil? I have 13 wave coulters now. Other options are 1) bubble coulters 2) 8 wave coulters 3) 25 wave coulters. Am I missing any type of coulter that might work better??
Friend of mine in the machinery business who also farms sharpens his no-till coulters with a 4 1/2 inch angle grinder. Maybe that would help. I do not want to put any more weight on the planter to assist in penetration since the planter is pretty heavy already with 11 units attached.
If soil/trash conditions get really hard I fill the insecticide hoppers with shelled corn to make sure the double disk openers can do their job better. So, the planter basically does its job well, but I was thinking maybe different coulters could be better. Thanks.
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