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Need a little help with silage math.
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Jon
Posted 9/16/2020 21:49 (#8499854)
Subject: Need a little help with silage math.



Callao Missouri
I have a situation that is making me pull my hair out.

I have chopped a 65 acre field of my corn, delivered it to a local, and packed it in his drive over pile. Where I'm having trouble is figuring the bill in a fashion that doesn't gouge him, or short me.

We harvested 92 loads of silage off of 65 acres. We weighed each truck with a full load, and empty once on this farm. Truck weights were consistent with previous years, and other weights this year.

In a 4 truck rotation, we average 10 ton per truck.

The crop insurance company measured the crop after I got the field opened up, they determined the crop to be 194 bpa. I frequently believe that their measurements are about as useful as cow patty bingo.

The field was consistent, flat, no waste or drowned out spots, square, flat. Planted at 32k, perfect weed control, even fertility from NH3. (no ups and downs like urea spread) While waiting on trucks I frequently picked ears, counted 14-16 around 35+ kernels long. Most calculations I came up with were 165+ in yield.

Now when I Google corn per ton of silage most university's are saying that 7.5 avg bushels per ton.
So if I take 92, ten ton loads 920 ton divide that by 65 acres, I get 14.15 tons per acre. multiply that times 7.5 bu per ton = 106 bushel per acre.

Now I have raised some 100 bu per acre corn in my farming career but I blew it out of the water this year.

Two things I have overlooked, 1 I may have missed a load or two getting down, it happens but I didn't miss that many. 2 I do not have a moisture test on the silage. It was on the dry side of perfect in my opinion but not completely green like I have seen in photos.

lets say the field averaged 175bpa/7.5tpa= 23.3 tons per acre. The field should have made 151 loads. So we are off 59+- loads

So either I have made a grand mistake of harvesting 170bpa corn in turn to sell it for 100 bpa corn, or there is an error in my figures somewhere. At $40 per ton we are discussing and error of $23,600 +- to its worth getting right. Thanks. I will edit from my cell phone to attach some photos. Thanks




(IMG_20200828_183127150 (full).jpg)



(IMG_20200828_183156238 (full).jpg)



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Attachments
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Attachments IMG_20200828_183127150 (full).jpg (167KB - 3 downloads)
Attachments IMG_20200828_183156238 (full).jpg (163KB - 5 downloads)
Attachments IMG_20200826_184222928 (full).jpg (283KB - 2 downloads)
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