Table 2. Projected yield and cost and return for 130 m2 earthworm farm per 2 month crop cycle
EXPENSES/CYCLE (2 months)
Item	Quantity		Unit Cost		Req./Mo		Sub-Total	% of Total
Labor	3	pax/day	150	P/day	52	days/mo	23,400.00	29.10%
Spent sawdust (at 30% of substrate mixture)	180	kg/plot	1.5	P/kg	52	plots/mo	14,040.00	17.46%
Manure (at 70% of substrate mixture)	420	kg/plot	1.5	P/kg	52	plots/mo	32,760.00	40.75%
Lime	6	kg/plot	1.6	P/kg	52	plots/mo	499.20	0.62%
Earthworm*	3	kg/plot	10	P/kg	52	plots/mo	1,560.00	1.94%
Equipment depreciation cost/cycle (P5,000/6 cycles per yr)							833.33	1.04%
Miscellaneous expenses (10%)							7,309.25	9.09%
		Total Expenses/Month					80,401.79	100.00%
* Note: purchased from internal production at a cost of P10/kg, based on production cost of P7.06/kg (see assumptions below)
GROSS SALES/CYCLE
Item	Quantity		Unit Cost		Plots/Cycle		Sub-Total	% of Total
Vermicastings (at 70% recovery of substrate weight)	420	kg/plot	5	P/kg	52	plots	109,200.00	95.89%
Earthworm Biomass (at 200% biomass gain in 60 days)	9	kg/plot	10	P/kg	52	plots	4,680.00	4.11%
		Gross Sales/Cycle					113,880.00	100.00%
		Gross Profit/Cycle					33,478.21
		ROR at 6 Production Cycles/Year					249.83%
		Vermicastings Production Cost Based on
		Total Expenses/Cycle					3.68	/Kg
		Vermicastings Production Cost Based on
		Contribution to Gross Sales/Cycle					3.53	/Kg
		Earthworm Production Cost Based on
		Contribution to Gross Sales/Cycle					7.06	/Kg
		Vermimeal Production Cost Based on
		20% DM (excluding drying and grinding costs)					35.30	/Kg
		Total Vermicastings Harvested/Cycle					21,840	kg
		Total Earthworm Biomass Harvested/Cycle					468	kg

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