Fertiliser striping (alternate bouts on slope)

[MattR]

Today I noticed a hint of striping in a winter barley field, but instead of, say, over-spreading between tramlines and under-spreading on the tramlines (as used to occasionally happen with our old wagtail), the full bout widths seemed to alternate light and dark, as though it was over-spreading downhill and under-spreading uphill. (Tramlines up and down the field).

Spreader is an oldish ZA-M, relatively new to me. What am I doing wrong?

 

[spin cycle]

left the headland vane on?

 

[Nearly]

One side open more than other, 2 light halves overlap, 2 heavy halves overlap again?

Welcome to Amazon ownership.

 

[2wheels]

could be as simple as tractor reving slower uphill/ faster downhill and altering the disc speed.

 

[DrWazzock]

One side open more than other, 2 light halves overlap, 2 heavy halves overlap again?

Welcome to Amazon ownership.

I think we are supposed to use a bolt or something as a spacer trapped in each shutter opening then set each scale to the same value. Jammy shutters and spring plastic levers don’t make it easy.

 

[KennyO]

Spreader tester man once told me it can be to do with where fert lands on disc due to slope. Iirc amazone spreader doesn't have much to channel fert when it is dropping from hopper to disc.
Our Kuhn now has brushes to funnel the fert to the correct spot.

 

[Sharpy]

You can get a hillside kit for a Zam iirc, it bolts onto the shutter to maintain the drop point.

 

[Jimbo]

You can get a hillside kit for a Zam iirc, it bolts onto the shutter to maintain the drop point.

My old Amazone done that on hills so got the hill kit but still did it . Changed spreader as finally got fed up with it .

 

[MattR]

Thanks for the replies - given me a few ideas of things to check on

 

[KB6930]

If you're ground is steep enough you will not stop it with an amazone or a kuhn I had problems with Kuhn doing this only cure was to change the spreader.

In the worst fields i did them twice at half rate in the opposite direction to even it up

 

[Kildare]

Over here rauch and bogballe highly thought of. Surprised kuhn giving problems as I believe it is the same spreader as kuhn.
What did you change to.

 

[KB6930]

Over here rauch and bogballe highly thought of. Surprised kuhn giving problems as I believe it is the same spreader as kuhn.
What did you change to.

Changed to kv I ran lely before that and didn't have any issue with it we had 2 kuhn and both were bad for stripping hills