This paper reviews the theory and reffers the problems of renewable investment, furthermore through one empirical case study and analyzes the adaptability for that of agricultural irrigation assets in pond irrigation area to paddy field.
At first, the durable years is evaluated by MAPI and New MAPI method as usual, however, it is too long as compare with technical sense. Secondly, as the alternative, Morris present valuation method is employed. The result is reasonable with some restricted interpretation.
As reffered area is urbanized, the needs for multiple uses of pond water is increasing. Therefore, for water conservation, especially of pond, some public charge system are to be considered.
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