| "- Irrigation | Reservoirs | Flood Prevention | Water and Soil Conservation" | | | | | | |
| Item | 1990 | 1995 | 2000 | 2005 | 2008 | 2009 |
| Number of Irrigated Areas at Year-end (set) | **** | **** | **** | **** | **** | **** |
| ** *** Hectares and Over | ** | ** | *** | *** | *** | *** |
| ** ***-** *** Hectares | ** | ** | *** | *** | *** | *** |
| Effective Irrigated Area (** *** hectares) | ****** | ****** | ****** | ****** | ****** | ****** |
| ** *** Hectares and Over | ***** | ***** | ***** | ****** | ****** | ****** |
| ** ***-** *** Hectares | ***** | ***** | ***** | ***** | ***** | ***** |
| Number of Reservoirs (unit) | ***** | ***** | ***** | ***** | ***** | ***** |
| Large Reservoir | *** | *** | *** | *** | *** | *** |
| Medium-sized Reservoir | **** | **** | **** | **** | **** | **** |
| Small Reservoir | ***** | ***** | ***** | ***** | ***** | ***** |
| Capacity of Reservoirs (*** million cu*m) | **** | **** | **** | **** | **** | **** |
| Large Reservoir | **** | **** | **** | **** | **** | **** |
| Medium-sized Reservoir | *** | *** | *** | *** | *** | *** |
| Small Reservoir | *** | *** | *** | *** | *** | *** |
| Water-saving Irrigated Area (** *** hectares) | | | ****** | ****** | ****** | ****** |
| Areas with Flood Prevention Measures | ****** | ****** | ****** | ****** | ****** | ****** |
| (** *** hectares) | | | | | | |
| Area of Soil Erosion under Control | **** | **** | **** | **** | ***** | ***** |
| (** *** hectares) | | | | | | |
| Total Length of Dikes (** *** km) | **** | **** | **** | **** | **** | **** |
| Area of Land Protected by Dikes | ****** | ****** | ****** | ****** | ****** | ****** |
| (** *** hectares) | | | | | | |
| a) The capacity of the large-scale reservoir is over *** million cubic meters, while that of the medium-scale one is from ** to *** million cubic meters, | | | | | | |
| and that of the small-scale one is from *** *** to ** million cubic meters* | | | | | | |