Physical and chemical properties of the 10 growing media at the beginning of the experiment.

aComposted corn cobs (C), pyrolysed corn cobs (PC), pyrolysed garden wastes (PG), and Pindstrup sphagnum peat moss (P); PC (100%), C (100%), PG (100%), C (70%) + PG (30%), PC (70%) + PG(30%), P (50%) + C (35%) + PG (15%), P (50%) + PC (50%), P (50%) + PC (35%) + PG (15%), and P (50%) + C (50%).bThe “air content at water holding capacity” indicates the air-filled porosity at maximum water holding capacity of the media [25].cWithin a column, means followed by different letters are significantly different according to Duncan's multiple range test at P