| Factor | Seedling counts | Dry matter yield | ||||||||
| Nov 2011 | Jan 2012 | Nov 2012 | Jan 2013 | Mar 2012 | Apr 2012 | Jun 2012 | Apr 2013 | May 2013 | Jun 2013 | |
| Width(W) | *** | *** | *** | *** | *** | *** | *** | *** | *** | *** |
| Species (S) | *** | *** | NS | *** | *** | *** | *** | NS | NS | *** |
| W × S | NS | * | -- | *** | *** | *** | NS | NS | NS | NS |