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