What is facai grass? It is harvested as a medicinal plant in Inner
Mongolia and according to the article
"PRC Desertification: Inner Mongolian Range Wars and the
Ningxia Population Boom"
at
http://www.usembassy-china.org.cn/english/sandt/desmngca.htm
it's harvest contributes to the desertification of the area.
Adolf Ceska, Victoria, British Columbia, Canada