| Catalog | Your actual site conditions | Remarks |
| Terrain type | | Plain, hill, mountainous region or ditch area. To determine the method and density of afforestation. |
| Gradient of the planting site | | To determine whether the paulownia could be planted or not and more accurate planting density. |
| Altitude | | Different Paulownia species are suitable for different altitudes. |
| Underground water level | | To determine whether the paulownia could grow normally or not and growth conditions of the future. |
| Irrigation conditions | | Which irrigation method shall be used. To determine the planting method. |
| Afforestation area | | Expressed in hectares. By which could plan for the future afforestation pattern. |
| Latitude | | Different paulownia varieties are suitable for growing at different latitudes. |
| Greenhouse conditions | | The afforestation time could be adjusted. |
