| Treatment | Years (s) | Applied depth | Depth remain 2015 |
|
|
| cm | cm |
| Experiment 1 |
|
|
|
| Topsoil + rototilled | 2008 | 5 | 0 |
| Add compost | 2011 | (5) + 1.3 | 5 |
| Topsoil + rototill + compost | 2008 | 10 | 6 |
| Add compost | 2011 | (10) + 1.3 | 6.5 |
| Experiment 2 |
|
|
|
| TMTa 1 topsoil | 2011 | 5 | 0 |
| TMT 2 topsoil + compost + aeration | 2011 | 10 | 4.5 |
| TMT 3 compost + rototill | 2011 | 10 | 8.5 |
| TMT 4 compost blanket | 2011 | 6.5 | 2.5 |