Experimental year

Treatment

Yield (g/m2)

Protein content (%)

Bulk density (g/l)

Exterior appearance

2007-2008

No-tillage

602

9.7

820

2.8

Tillage

486

8.3

809

2.5

2008-2009

No-tillage

489

8.5

826

-

Tillage

323

7.9

798

-

2009-2010

No-tillage

376

8.4

831

2.8

Tillage

311

7.3

823

3.3

2010-2011

No-tillage

423

10.7

832

3.5

Tillage

345

11.2

821

5.0

Average

No-tillage

472

9.3

827

3.0

Tillage

366

8.7

813

3.6

ANOVA

Treatment

**

*

**

**

Year

**

**

*

**

Interaction

ns

*

ns

**