Treatment

2013

2014

a

b

a

b

Control

0.109

342.4

0.089

234.8

Ash-fertilization

0.158

523.1

0.156

163.1

Mounding

0.165

415.5

0.120

218.0

Mounding + levelling + ash

0.229

173.6

0.215

165.1

Mounding + ash

0.216

218.9

0.173

172.5