Micro Farms Project - Calculations

Micro Farms Project Calculations

Table 3. Lands used and projected income from Micro Farm in the Sierra

Table 3. Value of Production
Crop	space	surface area	Production	Value each	Crop Value annual	Value per meter2/year	Water use	Water per kg
	meters	m2	annual		pesos	$/meter year	liter/day	liter/day
1. Black berry	390 m	390	3120 kg	10 peso/kg	31,200	80	390	46
2. Corn	60 x 20	1200	1000 kg	2 peso/kg	2,000	1.66	3650	1332
3. Legume beans	30 x 90	2700	2700 kg	5 peso/kg	13,500	5	3650	493
4. Fish	20 x 60	1200	2400 kg	20 peso/kg	48,000	40	50000	7604
5. Goats	20 x 20	100	1095 lt	5 peso liter	5,495	54.95	100	33
6. Goat meat or kids (12)				200 peso each	2,400		390
7. Commercial garden	20 x 23	460	109500 lettuce	3 peso each	328,500	714.13	2400	8
8. Homegarden	20 x 23	460	14600 kg	5 peso kg	73,000	158	2400	60
9. Worm Farm	5 x 20	100	140 kg	(used in farm)
10. human home	40x10	400					1000
Total Income 1 Hectare		7010	49315		504,095

Table 4. Worm Farm and goat inputs
	Total food available
Input	kg/year	Fed to goats	Fed to goats	Fed to worms	Fed to worms
		kg/year	kg/day	kg/year	kg/day
1. Legumes	2700	2700	7.4
2. corn	3000	3000	8.2
3. Berry vine	2000			2000	5.48
4. household waste	365	365	1.0
5. goat manure	4745			4745	13.00
6. Home garden	7300			7300	20.00
Total	20110	6065	16.6	14045	38.48

Table 5. Worm farm outputs to Fish Pond
Output	kg/yr	Fed to fish	Remaining for farm
		kg/yr	kg/yr
Worms	960	960
Worm Castings	7300	1200	6100.0
Nitrogen from worm castings	160.6		134.2

Table 6. Nitrogen produced and required by the Microfarm
Crop	space	space	Produce	Fodder portion	Total N required	Total N obtained
	m	m2	kg/yr	kg/yr	inputs kg/yr	kg/yr
1. Black berry	390 m	390	3120	2000	10.24
2. Corn	60 x 20	1200	1000	3000	8
3. Legume beans	30 x 90	2700	2700	2700	10.8	112.5
4. Fish (blue green algae)	20 x 60	1200	2400		36	70.5
5. Goats	20 x 20	100	1095		16.4
6. Goat meat or kids (6)			210		3.15
7. Commercial garden	20 x 23	460	27375		54.75
8. Homegarden	20 x 23	460	14600	7300	43.8
9. Worm Farm	5 x 16	80
Total 1 Hectare		6590	52500	15000	183.14	183

Design Resources

Revised: 15 December 2007
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