Economic Analysis of the Wetland Reservior Subirrigation System in Southern China

Instead of traditional analysis, net present value analysis can convert the future benefits and costs to their value today, so it reflects the actual economical condition better. Under the assumptions of the base case, the net present value of the Wetland Reservoir Subirrigation System (WRSIS) investment is 885,000Yuan(59,000Yuan/acre), which show that the system has high economic value to farmers and a good prospect to be widely used in China.