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Crop Progress Reports & End of Season Yields

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Last week USDA released its first national corn condition rating of the season. The crop, as you’ll hear, wasn’t in great shape. While it doesn’t mean much at this time of year, there is a relationship between the first crop condition rating and the end of the season yield.

The weekly Crop Progress report is mostly the work of Extension and FSA employees, at the least the data collection part. They report local crop conditions to state USDA offices, mostly on Monday morning, who in-turn tally those numbers and pass them along to Washington, D.C. for compilation and release on Monday afternoon. Work at the University of Illinois shows a strong relationship between the end-of-season crop condition ratings and crop yield, however, agricultural economist Scott Irwin says that doesn’t hold so well for the rest of the season, “but, of course, what you really want to know is how soon do they become really predictive of final yields. Our analysis says they become pretty useful about mid-July for corn and not until about mid-August in soybeans”.

The first corn rating of the season, released just after Memorial Day, wasn’t good. the crop had been cold and wet. It showed up, or in this case didn’t show up, in the good and excellent categories USDA NASS uses. Those are the two grades the U of I economist say correlate. The math works like this; the first corn condition rating was 65% good or excellent, minus 8 points for the average drop to the end of the season rating, which brings you to 57% and then you plug that into the relationship the U of I presented in the article says Irwin, “and you end up with 164.3, basically on that set of calculations. It is an intriguing and pretty low number. Clearly that is not where the market is at and it is just one model, one exercise. Certainly, it is something to keep your eye on”.

“and you end up with 164.3”

If you do, in about mid-July you can use the math in the farmdocDaily article to forward calculate the national average yield for corn; mid-August for soybean.

Cost of Diesel & the Farm

The price of diesel has dropped and this should be helpful to U.S. farmers.



U.S. farmers struggling to find ways to cut cost will find the price of diesel fuel somewhat comforting. It is one of their larger input costs for the production of a row crops like corn or soybeans. This year that fuel cost will be sharply lower says University of Illinois Ag Economist Gary Schnitkey.
Quote Summary - Since 2011 on through 2014 diesel fuel prices have average about $3.50 per gallon. Today’s cost is about a 36% decline. It is a significant decline in the cost of diesel fuel from the last four years.
Here’s how that costs translates directly to the farm. Last year fuel cost Illinois farmers, on average, $24 per acre of corn production. A 36% drop puts that estimated cost this year at $15 per acre. It’s a nine dollar savings, but certainly not enough to really ease the coming income woes of the American corn farmer comments Schnitkey.
Quote Summary - The total cost to raise an acre of corn is about $600. So, the fuel savings is a relatively small portion of the total cost of producing corn, and for that matter soybeans in the state.
Schnitkey thinks producers should certainly consider taking advantage of the diesel fuel prices today. The other two items of note related to energy costs concern drying corn in the fall and nitrogen fertilizer. The ag economist thinks drying costs should be much lower this fall. As for the cost of nitrogen fertilizer - and this would be for next year - well he says…
Quote Summary - Patients, relative to nitrogen fertilizer and buying it, might be a good thing. Because maybe someday that will come down.
The cost of nitrogen fertilizer this year is actually higher than it was last year. Its primary creation cost is for natural gas.