Welcome to the MICHIGAN CORN PERFORMANCE TRIALS website.

Corn performance trials are conducted annually to provide farmers, extension personnel, and private seed companies with agronomic information on corn hybrids submitted by private seed companies.

The 2020 Michigan Corn Hybrids Compared  will be published as the Michigan State University Extension Bulletin E-431. Click on the bulletin cover above to download the complete 2020 bulletin.

Links to the 2020  yield data are posted below by zone and trial.

2020 Corn Silage Yield Data


Zone 1 Silage Branch, Lenawee & Wood (Ohio) Counties
  110 Day and  Earlier
  111 Day and Later
Zone 2 / 3 Silage Huron, Ingham & Ottawa Counties
104 Day and Earlier
  105 Day and Later
Zone 4 Silage Iosco, Osceola & Presque Isle Counties
97 Day and Earlier Osceola dropped due to Covid-19
98 Day and Later
2020 Corn Grain Data

Zone 1 Grain Branch, Cass & Lenawee Counties
  107 Day and Earlier Cass dropped due to Covid-19
108 Day and Later
Zone 2 Grain Ingham, Ottawa & Saginaw Counties
101 Day and Earlier Saginaw dropped due to Covid-19
102 Day and Later Ottawa includes Tar Spot ratings
Zone 3 Grain Huron, Mason & Montcalm Counties
97 Day and Earlier Mason dropped due to Covid-19
98 Day and Later
Zone 4 Grain Iosco, Osceola & Presque Isle Counties
89 Day and Earlier Osceola dropped due to Covid-19
90 Day and Earlier

2020 Conventional Corn Grain Data


Zone 2 / 3 Grain Ingham, Montcalm & Saginaw Counties
101 Day and Earlier Saginaw dropped Due to Covid-19
102 Day and Later