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 Posted 5/2/2014 20:57 (#3850635) Subject: Bought 7000 planter, population question |
Mi
Its a finger unit, 28'' rows.
What sprocket configuration would get me close to 32k seeds per acre with corn? I'm just looking for some place to start, I know I'll have to see what the seed spacing is and adjust accordingly. Which gets me to me next question, if I want 32k per acre on 28'' rows, what should the seed spacing be? Wouldn't it be around 6.8''?
On soybeans, it comes with the bean cups. Which I know is far from the best thing out there, but it will have to make due for this year, next spring I'll get the Precision corn meter kit from Shoup's and the soybean meters.
Say I want 130k an acre, 28'' rows, what would roughly be the seed spacing on those? I'm figuring about 7 beans per foot?
I'll be using a JD 4440 powershift to pull it, 5th gear @ 1500rpms should give me 4.5mph ground speed, correct?
Does that seem to be the speed everyone is using when using the 7000 planters?
Edited by SmallTimeFarmer 5/2/2014 21:09
| Posted 5/2/2014 21:18 (#3850704 - in reply to #3850635) Subject: RE: Bought 7000 planter, population question |
So the seed spacing is 18,668.5 divided by the proposed population. 32K then would be spaced 7 inches apart. The chart in my 7000 planter book says 7" is the spacing for 30,200 in 30" rows. 30,200 x 30 / 28 = 32,357. From past computations I'm sure the seed numbers have been rounded because they never match the sprocket changes compared to one particular set of sprockets.
With 2040 chain the sprockets for 7" are 15 driver 13 driven with 40 chain 30 driver 26 driven. This chart has been posted by others regularly in the spring and I think within the last week this year on this forum. Recommended driving speed 3 to 6 mph.
18,668.5 / 130,000 = .1436 foot spacing, 1.723 inch spacing, 6.96 per foot. I'd be worried about killing sprouts with a crust in my field at that spacing.
Gerald J.
| Posted 5/2/2014 21:28 (#3850739 - in reply to #3850704) Subject: RE: Bought 7000 planter, population question |
The soybean cups are OK, and they have planted millions of acres of soybeans over the years.
You do need an operators manual to get your sprockets right for both corn and soybeans.
The soybean cup is a controlled spill and you do need to do a drop in the yard on gravel, to get
a handle on seeding rate. Depending on seed size, you will need to adjust things.
The 7000 planter is a good one, I wish you well.
| Posted 5/2/2014 21:37 (#3850766 - in reply to #3850704) Subject: RE: Bought 7000 planter, population question |
Mi
Couple more questions I thought of,
Can you raise and lower the planter on the go, or do you need to be stopped?
I noticed my neighbor that has a JD 7000 stops before he raises and stops before he lowers the planter. He said its easier on the planter.
On the planter there are 2 field cultivator shanks with spikes , mounted up front. Right in front of the outside tires. Anyone have any ideas what the purpose of those would be?
This would be the first year of using the 4440 to plant, some say to pull the duals off to avoid "pinch" rows. Yes, no?
| Posted 5/2/2014 21:53 (#3850815 - in reply to #3850635) Subject: RE: Bought 7000 planter, population question |
There may be a little confusion with the sprocket tooth count and the operators manual when you get everything together. Early 7000 planters used cast sprockets with a large tooth that fit the 2040 chain link. Later ones used steel cut sprockets that were supposed to drive a little smoother. Still used the 2040 chain. Just be aware if the operators manual is newer than the planter, or the other way around, the diameter of the sprockets is still the same regardless of the tooth count. Pay attention to your tractor drawbar height setting for level operation of planter frame.Be sure and have some seed graphite lube on handand your good to go. What size planter do you have?
| Posted 5/2/2014 21:59 (#3850828 - in reply to #3850635) Subject: RE: Bought 7000 planter, population question |
Dallas Center IA 515-720-2463
On the beans, if you are not worried about row unit bounce, 7 is OK.
On the seed cups and beans. Do some testing using one row with the covering wheels chained up and the planter set to plant close to the surface as possible. And on a hard packed driveway.
Adjust from there.
I think 'even' on a 7000 is 23,200 for 30" corn. About 24,850 for 28" rows.
Even is the same size sprocket on the front shaft as the back.
On my early 7000 it was 11 driving 11
Edited by Robert W Greif 5/2/2014 22:05
| Posted 5/2/2014 22:09 (#3850842 - in reply to #3850815) Subject: RE: Bought 7000 planter, population question |
Mi
KTA - 5/2/2014 21:53
There may be a little confusion with the sprocket tooth count and the operators manual when you get everything together. Early 7000 planters used cast sprockets with a large tooth that fit the 2040 chain link. Later ones used steel cut sprockets that were supposed to drive a little smoother. Still used the 2040 chain. Just be aware if the operators manual is newer than the planter, or the other way around, the diameter of the sprockets is still the same regardless of the tooth count. Pay attention to your tractor drawbar height setting for level operation of planter frame.Be sure and have some seed graphite lube on handand your good to go. What size planter do you have?
Thanks for the info about the sprockets, I didn't know that.
This planter is a later model one.
I forgot about checking drawbar height, thanks for reminding me!
The planter is an 8 row.
| Posted 5/2/2014 22:24 (#3850881 - in reply to #3850828) Subject: RE: Bought 7000 planter, population question |
Mi
Robert W Greif - 5/2/2014 21:59
I would not be scared to move the corn speed up a bit - to 5 or maybe 5-1/2 .
On the beans, if you are not worried about row unit bounce, 7 is OK.
On the seed cups and beans. Do some testing using one row with the covering wheels chained up and the planter set to plant close to the surface as possible. And on a hard packed driveway.
Adjust from there.
I think 'even' on a 7000 is 23,200 for 30" corn. About 24,850 for 28" rows.
Even is the same size sprocket on the front shaft as the back.
On my early 7000 it was 11 driving 11
Thanks for the info.
I"ll have to play with the ground speed a little.
I will be doing plenty of testing in a packed driveway.
And I'm sure I'll have more questions before I get to the fields.
| Posted 5/2/2014 22:45 (#3850922 - in reply to #3850842) Subject: RE: Bought 7000 planter, population question |
A couple of other things to check. The marker actuator is inside the frame tube. The op man will tell you how to slide it out to lube the mechanism and it will need lubbed. Also good time to clean out the mouse nest and dirt that is usually in there. Metal line that feeds the marker cylinder lasts longer if tube is clean. If the planter has a separate hose for the marker plug it into the right hand remote on your 4440. If the planter lift and marker are plumbed together still use the right hand valve because it has the 0 back pressure shuttle valve in front of it and will allow the marker to drop. Follow the procedure for bleeding the hydraulic wheel lift cylinders if it does not raise or drop evenly.
| Posted 5/2/2014 23:17 (#3850966 - in reply to #3850766) Subject: RE: Bought 7000 planter, population question |
I see no reason to stop as you raise and lower the planter. If you stop to raise, you won't be leaving a little seed uncovered like happens when raising on the go. Depends on how big of a hurry you are in.
| Posted 5/3/2014 01:09 (#3851015 - in reply to #3850635) Subject: RE: Bought 7000 planter, population question |
Beresford, SD
Edited by carlsoncl 5/3/2014 01:12
| Posted 5/3/2014 06:08 (#3851085 - in reply to #3851015) Subject: RE: Bought 7000 planter, population question |
Livingston Co. Illinois
22 and 18 = 32,000 on 30 in.
| Posted 5/3/2014 07:14 (#3851179 - in reply to #3850766) Subject: RE: Bought 7000 planter, population question |
Gerald J.
| Posted 5/3/2014 07:37 (#3851211 - in reply to #3850635) Subject: 7000 Chart |
Dallas Center IA 515-720-2463
A chart for a 3-point 7100 may be different.
And I was wrong on my even. It is not 23,200, but 26,100.
It has been 14 years.
Below are Corn with the Finger Pickup, Will do 23,200 to 37,700.
Also they will be for 30" rows. To convert to 28" rows multiply by 1.07 - close enough
Another also - this is the older double link chain and sprockets. New planters have single link chain and sprockets.
The sprocket tooth count is twice the old sprockets, as in my OM.
So 11 driving 11 is the same as 22 driving 22
8 driver to a 9 driven 23,200
Driver is the rear shaft. Driven the front shaft.
From now on the will be called Drive and Driven
13 drive - 14 driven = 24,200
11 drive - 11 driven = 26,100
15 drive - 14 driven = 27,700
8 drive - 7 driven = 29,900
15 drive - 13 driven = 30,200
13 drive - 11 driven = 30,800
11 drive - 9 driven = 32,000
15 drive - 11 driven = 35,600
13 drive - 9 driven = 37,700
Soybeans with the Feed Cup
Just going to give the lower ones. You can go up by the above chart.
Even or 11 drive - 11 driven is 62 pounds per acre
13 drive - 14 driven = 57#
8 drive - 9 driven = 54#
11 drive - 13 driven = 53#
11 drive - 14 driven = 49#
These are for 2600 seed per pound.
Remember LARGE seeds [fewer than 2600] will plant under on pounds, so way under on seed count.
And SMALL seeds [more than 2600] will plant over on pounds, so Way more than you want.
Trail and Count.
Edited by Robert W Greif 5/3/2014 07:44
| Posted 5/3/2014 08:06 (#3851268 - in reply to #3850635) Subject: RE: Bought 7000 planter, population question |
Mi
All my questions have been answered, I have no more questions at this time.
This is going to be a big change from the planter I was using before.
I was using an IH 56 4 row on a JD 3020 gas . Not much of a planter, it took forever and a day to get anything done. but I'm just starting out and that's all I had.
Edited by SmallTimeFarmer 5/3/2014 08:07
| Posted 5/3/2014 11:13 (#3851487 - in reply to #3850766) Subject: RE: Bought 7000 planter, population question |
SmallTimeFarmer - 5/2/2014 22:37
Thanks for the info, its much appreciated.
Couple more questions I thought of,
Can you raise and lower the planter on the go, or do you need to be stopped?
I noticed my neighbor that has a JD 7000 stops before he raises and stops before he lowers the planter. He said its easier on the planter. - My dad has always done that too mainly because it's easier to drop and pick up the planter exactly where he wants it every time if he's stopped. We plant with a 12 row 7200 and 4850
On the planter there are 2 field cultivator shanks with spikes , mounted up front. Right in front of the outside tires. Anyone have any ideas what the purpose of those would be? Not sure what those are
This would be the first year of using the 4440 to plant, some say to pull the duals off to avoid "pinch" rows. Yes, no? Leave the duals on.
| Posted 5/3/2014 12:52 (#3851621 - in reply to #3851487) Subject: RE: Bought 7000 planter, population question |
Mounting such spring tooth harrows on the disk and field cultivator did a nice job of seed be preparation in fewer passes. And helped leave the field flat.
Gerald J.
