| Operation | 2009 | 2010 | 2011 | |
| Fertilizing | 08 May | 28 April | 19 June | |
| Seeding | 11 May | 12 April | 04 May | |
| Stand count | 27 May | 04 May | 03 June | |
| Herbicide application | 09 June | 18 May | 09 June | |
| Fungicide application | 09 July | 18 June | 04 July | |
| Harvest | 24 August | 05 August | 10 August | |