Impact of Freezing Disaster on Nutrient Content in a Koelreuteria paniculata and Elaeocarpus decipens Mixed Forest Ecosystem Effects of exogenous Ca2+ on the seed germination of Koelreuteria paniculata in limestone area of Southwest China under drought stress. Effections of Koelreuteria paniculata Plantation on Soil Carbon, and Nitrogen Content in Xiangtan Manganese Mining Wasteland, Hunan Impact of canopy structural characteristics on inner air temperature and relative humidity of Koelreuteria paniculata community in summer. Biological Cycles of Mineral Elements in a Young Mixed Stand in Abandoned Mining Soils Cold resistance of Pistacia chinensis and Koelreuteria integrifoliola.