CROPS NEWS
Bt Ups Nutrient Needs
Dan Davidson DTN Contributing Agronomist
Wed Oct 16, 2013 06:33 AM CDT

Corn hybrids containing the Bt trait for corn rootworm resistance appear to have greater fertility needs. Research by University of Illinois corn physiologist Fred Below confirms it is important for corn growers to reconsider fertility programs when using this trait technology in order to reach the yield potential of the hybrid.

Below said the objective of his studies was to determine how modern, transgenic insect-protected corn hybrids in high-yielding systems take up and use nutrients. Below's research group conducted two studies in the Champaign, Ill., area in 2008, 2009, and 2010 and in the DeKalb, Ill., area in 2009 and ...

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