不同密度杉木林对林下植被和土壤微生物群落结构的影响

丁凯, 张毓婷, 张俊红, 柴雄, 周世水, 童再康

Effects of Chinese fir plantations with different densities on understory vegetation and soil microbial community structure

DING Kai, ZHANG Yu-Ting, ZHANG Jun-Hong, CHAI Xiong, ZHOU Shi-Shui, TONG Zai-Kang

表5 不同密度杉木林林下植被地上生物量与土壤理化性质相关性分析

Table 5 Correlation analysis of aboveground biomass of understory vegetation and soil physical and chemical properties of Chinese fir plantations with different densities

类型 Type pH 束缚水含量 Water content 碱解氮含量 Alkali-hydrolyzable N content 有效磷含量 Available P content 速效钾含量 Available K content 有机质含量 Organic matter content 草本生物量 Herb biomass 0.764* 0.191 0.485 0.514 0.612 0.749 灌木生物量 Shrub biomass 0.874* 0.193 0.564 0.648 0.760* 0.820* 总生物量 Total biomass 0.814* 0.193 0.520 0.571 0.675 0.783*