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Fall 2010

This season’s corn crop is predicted to be the biggest on record at 13.4 billion bushels. Soybeans too are predicted to have a record high production of 3.4 billion bushels. Production for both crops is up 2% over last year.

Crop development is also ahead of last year for both crops. As of Aug. 15, 75% of the corn was in the dough stage, compared to 38% a year ago. About 84% of the soybeans were setting pods by mid-August compared to 69% at that time in 2009.

These statistics indicate that farmers are expected to be harvesting a large crop much earlier than last year.

Two nutrient management points to remember about this season:

First, remember to account for the higher nutrient removal that comes with higher yields when making fertilization decisions this fall. Nutrient removal estimates from IPNI can be found at:
http://www.ipni.net/nutrientremoval
Second, remember to consult local guidance on when to apply fall N. It is sometimes easy to follow field work habits that are appropriate for later seasons but not earlier ones. Soil temperatures must remain low (usually below 50 oF) before fall applications are made. Use of nitrification inhibitors is also considered a best management practice in many states when fall applications are made.

See the following links from the USDA-NASS for more information about crop statistics:
http://usda.mannlib.cornell.edu/usda/current/CropProd/CropProd-08-12-2010.pdf
http://usda.mannlib.cornell.edu/usda/current/CropProg/CropProg-08-16-2010.pdf

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