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Table 1

Composition of simulated green roof substrates

No.Depth (cm)Composition (volume ratio)
10 NS 100% 
PS1 10 NS 40% + Peat soil 30% + Cinder 30% 
PS2 10 NS 35% + Peat soil 30% + Cinder 30% + RSU 5% 
PE 10 NS 40% + RSU 30% + Vermiculite 30% 
PB1 10 NS 40% + Peat soil 30% + Brickbat 30% 
PB2 10 NS 35% + Peat soil 30% + Brickbat 30% + RSS 5% 
PH 10 NS 40% + RSS 30% + Perlite 30% 
PV 10 NS 40% + Peat soil 30% + Vermiculite 30% 
PP 10 NS 40% + Peat soil 30% + Perlite 30% 
– – 
No.Depth (cm)Composition (volume ratio)
10 NS 100% 
PS1 10 NS 40% + Peat soil 30% + Cinder 30% 
PS2 10 NS 35% + Peat soil 30% + Cinder 30% + RSU 5% 
PE 10 NS 40% + RSU 30% + Vermiculite 30% 
PB1 10 NS 40% + Peat soil 30% + Brickbat 30% 
PB2 10 NS 35% + Peat soil 30% + Brickbat 30% + RSS 5% 
PH 10 NS 40% + RSS 30% + Perlite 30% 
PV 10 NS 40% + Peat soil 30% + Vermiculite 30% 
PP 10 NS 40% + Peat soil 30% + Perlite 30% 
– – 
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