| Year | Crop | Treatment | Sowing data | Cut number | Fertiliser application date | Harvest date | Mean dry yield (t/ha) | S.E.M. | Significance | d.f. |
| 2011 | Silage grass | Conventional | 2008 | 1st | 06.04.11 | 10.05.11 | 4.7 | 0.199 | 0.729 | 5 |
| OMF | 4.9 | 0.229 | ||||||||
| 2011 | Silage grass | Conventional | 2008 | 2nd | 11.05.11 | 13.07.11 | 3.1 | 0.193 | 0.025 | 5 |
| OMF | 4.7 | 0.051 | ||||||||
| 2011 | Silage grass | Conventional | 2008 | 3rd | 06.08.11 | 14.10.11 | 0.1 | 0.016 | 0.255 | 5 |
| 0.1 | 0.005 | |||||||||
| 2012 | Silage grass | Conventional | 2008 | 1st | 28.03.12 | 13.06.12 | 8.0 | 0.104 | 0.875 | 5 |
| OMF | 8.2 | 0.707 | ||||||||
| 2012 | Silage grass | Conventional | 2008 | 2nd | 05.07.12 | 14.08.12 | 1.8 | 0.088 | 0.499 | 5 |
| OMF | 2.0 | 0.282 | ||||||||
| 2012 | Silage grass | Conventional | 2008 | 3rd | 30.08.12 | 09.10.12 | 1.1 | 0.057 | 0.74 | 5 |
| 1.2 | 0.156 | |||||||||
| 2013 | Silage grass | Conventional | 2008 | 1st | 25.04.13 | 10.06.13 | 8.1 | 0.552 | 0.181 | 5 |
| OMF | 6.8 | 1.072 | ||||||||
| 2013 | Silage grass | Conventional | 2008 | 2nd | 26.06.13 | 01.08.13 | 5.1 | 0.297 | 0.147 | 5 |
| OMF | 3.8 | 0.423 | ||||||||
| 2013 | Silage grass | Conventional | 2008 | 3rd | 09.08.13 | 20.09.13 | 2.0 | 0.034 | 0.998 | 5 |
| 2.0 | 0.195 |