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