Corn School: The Impact of Early Planting and Ideal Establishment on Yield

An early spring with warm conditions, decent moisture at planting and high-yield-potential genetics make for a best-case scenario in the face of unfavourable weather conditions. The 2012 corn crop generally started out with excellent root structure and good moisture before Mother Nature turned off the top and cranked the heat. In spite of the dry conditions, many corn yields surprised farmers and agronomists alike and has left many asking how it happened.

In this video, Great Stewart of OMAFRA recounts how some of these conditions and agronomic practices had an impact on the corn crop going into the growing season and how that helped the crop weather the very dry conditions. He also gives a current estimate of corn’s average yield for Ontario for 2012, and discusses how April and May conditions affected nitrogen mineralization in the soil.


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