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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



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Revised: 15 December 2007
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