Characteristics of soil nematode community of different agricultural areas in Jiangsu Province, China. Effects of wheat root exudates on cucumber growth and soil fungal community structure. Characteristics of soil ammonia-oxidation microbial communities in different subtropical forests, China. Characteristics of soil nematode communities in coastal wetlands with different vegetation types. INTERSPECIFIC ASSOCIATION AND CORRELATION OF SHRUB LAYER IN THE CONIFEROUS BROAD LEAVED MIXED GEOBOTANICAL ZONE OF RUSSIA PLAIN