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let me see if I understand...
your moisture on corn was 25.3% and your test weight (weight of a bushel) was 44.8 lbs.?
So, you are saying you sold it to them at 25% moisture? Our place doesn't take anything over 21%, and anything above 15%, I have to pay for drying.
They probably are going to charge you for drying the corn down to 15%, unless you sold it for high moisture corn (not sure how that would work).
So, if you put it in their grain bank, they are going to dry it down to 15% or 15.5% and then charge you per bushel for drying. I think I get charged $0.08 per 3% moisture, per bushel. So, if it is 21% moisture, and they dry it down to 15%, then I am paying for 6% drying, or $0.16 per bushel. Then, if I want to put it int eh grain bank, I pay them $0.05 per bushel per month, until I want to sell. So, if the price is $3.30 right now, and I have it 21% moisture, I am offered $3.14 per bushel, or if I think the price will go up, I tell them to hold it. Say it goes up to $3.60 in 6 months. Now, I tell them I want to sell, and they subtract drying cost(16 cents), and 6 months storage(30 cents) and then give me $3.60 minus those costs, which would be 46 cents. So, I would still get $3.14 per bushel. Now, if the price falls, not only do I loose the additional price deficit, but I also am still charged storage. So, theoretically, you could loose. But, if yo follow price trends throughout the year, you will see that there isn't that big of a market change to justify the storage. EXCEPT... If you harvested 150 bpa corn in November 2007 (like I did) and paid the 16 cents per bushel for drying, and didn't sell then, when the price was around $3.70 per bushel, but paid 5 cents per month for storage for 8 months until June 2008, and had 40 cents per bushel invested in storage, and then sold at the current market price of $7.30 per bushel, you would have received $6.74 per bushel for your corn. In other words, you do nothing but let it ride, and get almost double the money. Assuming you had the foresite to know the market would explode...
Not sure if any of that helped...
I'm still bitter about missing out on that $7 corn, especially now with it being down below $4 again.
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Let me see if I can do the math...
So, you said your test weight was 44.8 lbs to the bushel(1.24xxx cubic feet)
Now, you said your moisture was 25.3%
So if your test weight is 44.8 lbs, and they allow 15% moisture- 25.3-15= 10.3% total moisture.
Then, you have to account for shrinkage, which is a factor of 1.176 at 15%. Total loss for corn that is 25% and dried down to 15% would then be 11.76%. The more shrinkage you have, the higher your test weight would be. As corn dries, it shrinks and dry corn will pack tighter than wet corn, so, with lower moisture, your test weights will increase. Also, test weight is a product of corn hybrid traits, so when selecting a hybrid, you can look for one with a higher test weight.
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