Table 6.
Aggregated economic flows and indices of the three lotus root production systems
| Item | Lotus | Lotus-shrimp | Lotus-fish |
|---|---|---|---|
| Aggregated flows (¥/ha/yr) | |||
| Renewable Natural Resources | 0 | 0 | 0 |
| Lotus roots input | 32305.05 | 26243.55 | 23419.50 |
| Fry | 0 | 6818.25 | 552 |
| Organic fertilizer | 7500 | 7500 | 7500 |
| Tea bran | 4860 | 5298.75 | 2430 |
| Chemical fertilizer | 2816.4 | 3193.2 | 2367.6 |
| Forage | 0 | 4254.6 | 0 |
| Tools and machines | 229.8 | 339 | 229.8 |
| Labor | 14325 | 18293. 25 | 18713. 25 |
| Rent | 11250 | 11250 | 11250 |
| Total Input | 73286.25 | 83190.60 | 66462.15 |
| Market Value of Outputs | 187500 | 224318.25 | 329250 |
| Economic Indices | |||
| Output/input ratio (O/I) | 2.558 | 2.696 | 4.954 |
| Net Benefit Density (NBD, ¥/ha/yr) | 114213.75 | 141127.65 | 262787.85 |