In order to reveal the physiological adaptation mechanism of the Stipa bungeana Trin.community in Yunwu mountain,soil auger was applied to investigate the distribution characteristics of the root system and the soil water content of the S.bungeana community in Yunwu mountain in Ningxia.The results show that the root biomass,root length density,root surface area,and specific root length decreased with the increasing of soil depth and greatly concentrated in the 0-20 cm with major distribution in the 0-40 cm ...
修改评论