Change characters of Phragmites australis phytolith in Northeast China Evolution pattern of phytolith-occluded carbon in typical forest-soil ecosystems in  tropics and subtropics, China. Morphological changes of phytoliths in Leymus chinensis under saline-alkali stress Phytolith-Occluded Carbon in Litters of Different Stands in the Subtropics of China The production and accumulation of phytoliths in rice ecosystems:a case study to Jiaxing Paddy Field Methods of Phytolith Analysis