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Proper Way To Disc

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DennisMN

04-11-2003 05:34:54




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I have a Ford 861D and an old Dearborn 9'(?) disc. Could someone tell me the proper way to disc plowed ground ? I always end up with dips and mounds. Any advice would be appreciated.




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Leroy

04-13-2003 07:33:25




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
With a single disc you will always be building up the edge of field, fence rows, you can not get away from this, that is why as soon as thew learned how to make a tandem the single became obsolete except for where there is not enough power to handle a tandem, After the first pas you always had to half lap the disc, the radiator cap position of the tractor to the edge of cut of disc from previous round, in the case of the old horse drawn single discs they were dezigned with dolly wheels on the front to hold the hitch at correct height so that the inside of each gang would cut at the same depth as the outside end would, with the mounted you have to adjust the top link to do what those dolly wheels did as in keeping the disc level, same principal also applies to tandem discs that ridge, just had to fix that problem for an Amish friend of mine that was trying to use the front half of a J D KBA disc, made a bracket to keep the toung rigid and got him to use his cart between the horses and the disc to hold toung at proper height

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evielboweviel

04-12-2003 06:17:03




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
hang a piece of 3" pipe off of the back of disk using two chains. make the chains short enough that the pipe clears the ground when the disk is picked up. next option is a harrow pulled by itself.your disk is and will be very bad about ridging.



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evielboweviel

04-12-2003 06:12:01




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
hang a piece of 3" pipe off of the back of disk using two chains. make the chains short enough that the pipe clears the ground when the disk is picked up. next option is a harrow pulled by itself.your disk is and will be very bad about ridging.



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Hugh MacKay

04-11-2003 20:26:21




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
Dennis: That single gang disc is going to be hard to control on 3 point hitch. If you get it adjusted so you can do a good job you are a smarter than average sort of guy. All I can say is good luck. Wouldn't hurt to skip off to a few auctions.



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Okla/Kans Bill

04-11-2003 20:16:02




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  

Well, iffn everybodys gonna give their way bst to disc, then so am I lol. I always pull the pins out of the drawbar and set them next to the edge of the drawbar so that the drawbar cant slam into anything when making turns. This greatly increases the ability to turn when you got about all the disc your tractor wants to handle. I have a 16ft IHC wing disc (without the wings) and thats about all a 38-30 wants to handle in Oklahoma sandy ground. Now. I always plow one way, not square like the old timers did it, trying to slow water running across the field. Then Ill single disc it going the same way as the plow furrows. Then, Ill double disc it going opposite the direction of the plow furrows. I generally waite and do this last discing just right before I plant, as I plant the same direction as I plow, but I am discing opposite and if it rains this could possibly hurt me. In double discing, I half lap the preious edge of the disced ground, or say, I run the center of the tractor down the edge of the disced ground. But I always cut out the center V that the disc leaves at the center of the V. That means I usually have to ride inside of the disced ground somwhat in order to cover up the V. Turning around is somtimes a trick, especially iof your brakes arent the greatest, so Ill go around the edge of the field about 3 laps or so, so that I can turn and do it carefree knowing ive already disced the ground Im turning in. If you have hardpan youll need a good amount of weight or yor planter may not break through it and leave your seed on top or in shallow ground. Hope this helps.

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jls

04-11-2003 18:46:31




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
working ground is an art,there are a lot of wrong ways to climb the learning curve. there is a reason so many tillage systems exist. I like a spike tooth hare towed behind the disc because you can stand the teeth up if your carrying too much dirt and lay the teeth down if you need to fill more uneven ground. the hare(harrow) should be 6" or a foot wider than the disk to feather the edges



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jls

04-11-2003 18:45:23




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
working ground is an art,there are a lot of wrong ways to climb the learning curve. there is a reason so many tillage systems exist. I like a spike tooth hare tower behind the disc because you can stand the teeth up if your carrying too much dirt and lay the teeth down if you need to fill more uneven ground. the hare(harrow) should be 6" or a foot wider than the disk to feather the edges



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Bill

04-11-2003 13:42:15




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
Using a straight disk to prepare plowed ground as a seedbed is hard to do because the dirt is thrown out or away from the center of the disk. So when you turn around and take a full disk width going the other way it tends to ridge the dirt where it is thrown together at the end of the disk. To cut down on this just take half a disk width after the initial pass. Man this is hard to describe. Anyway when you turn around put the middle of the disk on the edge of the dirt that you just disked. Depending on how well you can drive and how fast you are going this will work something like a tandem disk where the front gang throws the dirt "out" and the back gang pulls it back "in". The best thing for plowed ground finishing is a field cultivator or if you want something older a spring tooth. Both of these use tines being pulled trhough the soil instead of blades turning which cause the ridges. A spike tooth harrow will help some, but once you disk in ridges they'll be there for a long time unless you field cultivate or spring tooth the ground.

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Bill

04-11-2003 13:37:42




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
Using a straight disk to prepare plowed ground as a seedbed is hard to do because the dirt is thrown out or away from the center of the disk. So when you turn around and take a full disk width going the other way it tends to ridge the dirt where it is thrown together at the end of the disk. To cut down on this just take half a disk width after the initial pass. Man this is hard to describe. Anyway when you turn around put the middle of the disk on the edge of the dirt that you just disked. Depending on how well you can drive and how fast you are going this will work something like a tandem disk where the front gang throws the dirt "out" and the back gang pulls it back "in". The best thing for plowed ground finishing is a field cultivator or if you want something older a spring tooth. Both of these use tines being pulled trhough the soil instead of blades turning which cause the ridges. A spike tooth harrow will help some, but once you disk in ridges they'll be there for a long time unless you field cultivate or spring tooth the ground.

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thurlow

04-11-2003 10:01:00




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
As paul has suggested, it's all in the way the disk is adjusted. Any disk will "row" up the ground if not adjusted properly; and some CANNOT be adjusted so they will not "row" it up. Worst thing you can do is to disk 2 or more times (one after the other; tho' even weeks or months apart) going in the same direction and in the same place; either disk at a slight diagonal or at least "scoot" over a half a disk width.....

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Hugh MacKay

04-11-2003 09:56:54




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
Dennis: What the other guys have said is great, however you should tell us whether disc is single or tandem. You should try different settings; angle of disc gangs front and rear if tandem. Levelling of your disc with top link. Get someone else to drive tractor, you walk along side. Make sure front and rear gangs are cutting equally. Soils are different, for us to give hard fast rules just will not work.

In the end a disc by itself will not make a good seed bed, I could tell you to go out and buy a 3 point, 10' s-tine cultivator with levelling plank and cage rollers. That is the expensive way. There are numerous items you can pull behind your disc that will do a good job; Get a 4x10 hardwood plank about 2' longer than width of your disc. Use two 10 foot chains one on each side to pull the plank. If it digs too much shorten chains and vise versa. The same can be done with chanel iron or I beam. I saw a guy place truck tires 3 rows like checkers. He had them bolted through face one to the next. He pulled that behind disc, don't know how long the tires lasted but it was doing a good job of breaking lumps and levelling. Tire on it's side pick up soil on high spot and drop it in hollow. Another suggestion is chain harrow although they tend to follow contours of soil and not do much levelling, but they break clod up nicely. Nothing wrong with combnations of above.

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paul

04-11-2003 08:42:38




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
Do you mean the dips are down the center of the disk, while the mounds are where the disk throws dirt out in a hill? Re-adjust your disk, altho some are just bad about this.

Is this a single disk, or a double disk? a single will naturally do this, you need to go over the field again, with the middle of the disk on the ridges.

Do you mean the field is still rough & bumpy after disking; is it spring plowing? Around here it helps a lot to plow in the fall & let winter mellow the lumps out. Need several passes with the disk, & a harrowing, to level out spring plowing. Timing with rains, and harrowing about 8 hours after plowing helps a lot too on spring plowing.

--->Paul

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DennisMN

04-11-2003 12:15:27




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 Re: Re: Proper Way To Disc in reply to paul, 04-11-2003 08:42:38  
The disc is a single. It mounds where the disc throws the dirt. It is better if the disc is adjusted with only a slight angle but then it doesn't break up the dirt as well. Does it matter whether you dic with the plow furrow or across it ?



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paul

04-11-2003 18:38:24




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 Re: Re: Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 12:15:27  
Disking at a slight (25%?)angle to how you plowed helps some. Going cross-ways about kills the operator with the numps!

That is really normal for a single disk. You will not get rid of it. You can tilt the disk closer or farther with the upper link to help level it some, but you will always have the ridging with a single.

Disk the field, and then disk it a second time - 1/2 the width over, so the middle of the sdisk is now on the ridge. This will level it out again.

--->Paul

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hay

04-11-2003 08:01:23




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 Re: Proper Way To Disc in reply to DennisMN, 04-11-2003 05:34:54  
using 3 pt. disc-harrow, i usually go "up and down" each pass and then cross disc the area. smooths out all the clods and make a fluffy seedbed. sometimes you can also go at an angle. set the disc with the front and rear gangs more or less straight to each other for your final pass. that helps it from digging and humping the soil.



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