Compost N˚1

Compost N˚2

Compost N˚3

Type of amendment

COM0

COM1

C1D1

C1D2

C2D1

C2D2

C3D1

C3D2

Amount of amendments

No amendment (Control)

200 kg/ha of chemical fertilizer

10 t/ha

5 t/ha

10 t/ha

5 t/ha

10 t/ha

5 t/ha