Page 74 - Final Report Improving information and developing a repository of sustainable soil management practices in Asia

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4. When the seeds are kept to be used in the following season, the seed coat of sunn hemp

is used as material incorporated with soil to make compost for soil amendment in growing
vegetables.

3.2 Revenues and expenses in using the technology

1. Initial costs and expenses in using the technology

% of
Expenses All expenses expenses
Inputs Unit Quantity per unit per inputs incurred
(USD) (USD) by land
users

Labor
Plow to prepare plots Time 1 14.71 14.71
Sow rice Time 1 17.65 17.65

Pump water Time 2 58.82 117.65
Harvest yield Time 1 183.82 183.82
Plant materials
Rice seeds Kilogram 8 0.53 4.24

Fertilizers and substances
killing/ inhibiting growth of
living things (Biocide)

Weight Liter 40 0.29 11.77
Green manure Kilogram 5 0.68 3.38

Others
Oil costs for farm truck Time 1 58.82 58.82
Total expenses of establishing 415.74
the technology

Calculation of costs and expenses

Expenses are calculated per areas using technology (Unit of size and area: 1.12 ha)
The currency used to calculate expenses with the unit as Baht

Exchange rate (to US. dollars) 1 US. Dollars = 34.0 Baht
Average wage in hiring labor per day is 8.82 USD

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