Table 2. Data of input and output of cabbage production system (per 1 Chinse cabbage)

Category	Sub-category	Item (example)	Amountper per 1 cabbage	GHG Emissions per 1 cabbage (kg CO2-eq/unit)	Inventory DB source
INPUT	Compost	Manure (livestock)	1.5 kg	9.31E-02	IPCC Tier 1, AR5 GWP
		Oil cake (by-product compost)	0.3 kg	4.75E-02	Ecoinvent 3.1.1
		Compound fertilizer (21-17-17)	0.02 kg	2.50E-02	National DB
		Agricultural lime	~0.0005 kg	3.00E-04 (est.)	National DB
Agricultural materials	Vinyl	LDPE mulch film	0.03918 kg	7.01E-02	Ecoinvent + joint guideline
	Lagging cover	Non-woven fabric (if used)	--		Not applied
Pesticide	Growth regulator	Paclobutrazol, ethephon, etc.	-	5.00E-04	National emission coeff. (2023)
	Insecticide	Lambda-cyhalothrin, etc.	-	1.10E-03	National emission coeff.
	Herbicide	Pendimethalin, etc.	-	6.00E-04	National emission coeff.
	Germicide	Mancozeb, etc.	-	6.00E-04	National emission coeff.
Energy	Electricity	Irrigation pump 73.69 kWh/1,000 heads	0.07369 kWh	3.65E-02	EF 0.495~0.53
	Diesel	Tractor, cultivator, etc.	0.012 L	3.14E-02	National DB
	Gasoline	Brush cutter	0.0003 L	7.00E-04	National DB
OUT PUT	Waste – landfill	Mulch film, gloves, tapes	-	5.20E-02 (est.)	Ecoinvent
	Waste – incineration	Minor plastic items	-	1.50E-02 (est.)	Ecoinvent
	Waste – recycle	Cardboard, selected plastics	-	7.00E-03 (est.)	Ecoinvent
PRODUCT	Final product	Korean cabbage (avg. 2.16 kg/ea)	1 cabbage	- (functional unit)	-