Treatment | Control (C) | Direct Drill (DD) | Disc (DPH) | P. Harrow (PH) | Plough (PLO) | SED | Sig |
Total DM yield ‘09 | 10,368 | 11,134 | 12,144 | 11,820 | 10,205 | 1103.1 | NS |
Total DM yield ‘10 | 10,339a | 13,568b | 13,135bc | 12,082c | 12,211c | 552.8 | P < 0.01 |
Spr. DM yield ‘09 | 1881a | 1424b | 1808a | 1743a | 1313b | 103.7 | P < 0.01 |
Spr. DM yield ‘10 | 1336 | 2204 | 1924 | 2038 | 2004 | 349.1 | NS |
Spr. DM yield ‘11 | 1640a | 1679a | 1608a | 1919b | 1821ab | 96.8 | P = 0.05 |
Sum. DM yield ‘09 | 5236 | 6012 | 6481 | 6141 | 5901 | 630.0 | NS |
Sum. DM yield ‘10 | 5597a | 6960b | 6849b | 6060a | 6390ab | 397.1 | P < 0.05 |
Aut. DM yield ‘08 | 1902 a | 242 b | 393 b | 486 b | 358 b | 229.2 | P < 0.001 |
Aut. DM yield ‘09 | 3251 | 3699 | 3855 | 3935 | 2990 | 487.5 | NS |
Aut. DM yield ‘10 | 3407 | 4404 | 4362 | 3984 | 3816 | 361.2 | NS |
PRG tillers/m2 ‘09 | 2667a | 5492b | 4892b | 5267b | 5275b | 547.7 | P < 0.01 |
PRG tillers/m2 ‘10 | 3650a | 5575b | 5150b | 5850b | 5925b | 518.1 | P < 0.05 |
Total tillers/m2 ‘09 | 6650 | 6542 | 5517 | 5975 | 5742 | 673.9 | NS |
Total tillers/m2 ‘10 | 5425a | 6075a | 6025a | 7400b | 6525a | 356.5 | P < 0.01 |