_id Pot_ID   Soil_name   Soil_last_use   Treatment   Replicate   Upper_layer_TN_%DM   Upper_layer_TC_%DM   Lower_layer_TN_%DM   Lower_layer_TC_%DM   colspacer
Pot_ID Soil_name Soil_last_use Treatment Replicate Upper_layer_TN_%DM Upper_layer_TC_%DM Lower_layer_TN_%DM Lower_layer_TC_%DM