NEWS
Corn-on-Corn Penalty
Pam Smith DTN\Progressive Farmer Crops Technology Editor
Fri Apr 11, 2014 11:35 AM CDT

DECATUR, Ill. (DTN) -- Continuous corn can take a toll on crop yield. That's true even in intensively managed corn-on-corn fields, according to a six-year study conducted in Illinois by DuPont Pioneer agronomists.

The report found continuous corn yielded 25 bushels per acre less than corn planted following soybeans. Nitrogen (N) was the most important factor in explaining the loss. The continuous corn yield penalty decreased as soil nitrogen supply increased.

The number of years the field was planted to corn was the second-most important component of the yield penalty, according to the study.

Weather proved to be the third ...

Quick View
  • Prepping for a Pest USDA has released a new set of pest response guidelines for Helicoverpa armigera, the voracious g...
  • Racing the Clock For Brian Marshall, the clock starts the minute a new calf hits the ground. Within the first four...
  • Hay Baling Safety Important Looking at it as a sporting event, mid-July is the halftime of the hay baling season in most of t...
  • Study Your Farm Bill Options Feeding the world population won't be as hard as expected over the next decade some experts forec...
  • Weathering the Drought Parts of the panhandle and western Oklahoma are still considered as being in extreme or exception...
  • Clearing the Air EPA Administrator Gina McCarthy told a group of agribusiness representatives that her agency want...
  • Klinefelter: By the Numbers Peak prices since 2007 didn't slow megafarm consolidation. Mid-size operators may need to collabo...
  • Corn's Hidden Highways Scientists are rewriting the route to better hybrids.
  • Ask the Vet Before implanting heifers that will be bred, consult with a veterinarian to be sure fertility won...
Related News Stories
SDS Alert
Todd's Take
Passionate About Pollination
Fight Foliar Diseases
Corn Reports Rosy
Weathering the Drought
Corn's Hidden Highways
Dr. Dan Talks Agronomy
Now Ear This
Exporters Report Corn Sales