Publication Date

1989

Description

Leymus chinensis meadow is a main type of grassland in the northeast of China and produces a high yield. Leymus chinensis is dominant species in the grassland and is a kind of high-qual­ity grass with rich nutrients. Owing to over utilization for it, there is little litter in the grassland. It causes the degeneration of grassland. Litter plays a important role in keeping ecological balance of grassland. The decomposition and accumulation of litter are key link for guaranteeing material flow and have a great influence on restitution of grassland. The study on litter in grassland is still rare in China, particularly in meadow steppe. Li Jiazao (1981) studied the decomposition of cellulose in alpine meadow. Chen Zuozong (1982) reported the decay rate of litter and horse's dung on typical grassland in Inner Mongolia. Liu Gengchang (1982) observed the accumulation of litter in Leymus chinensis grassland. In this work, the decomposition and accumulation of litter have been studied in Leymus chinensis meadow.

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The Study of Litter in Leymus chinensis Meadow

Leymus chinensis meadow is a main type of grassland in the northeast of China and produces a high yield. Leymus chinensis is dominant species in the grassland and is a kind of high-qual­ity grass with rich nutrients. Owing to over utilization for it, there is little litter in the grassland. It causes the degeneration of grassland. Litter plays a important role in keeping ecological balance of grassland. The decomposition and accumulation of litter are key link for guaranteeing material flow and have a great influence on restitution of grassland. The study on litter in grassland is still rare in China, particularly in meadow steppe. Li Jiazao (1981) studied the decomposition of cellulose in alpine meadow. Chen Zuozong (1982) reported the decay rate of litter and horse's dung on typical grassland in Inner Mongolia. Liu Gengchang (1982) observed the accumulation of litter in Leymus chinensis grassland. In this work, the decomposition and accumulation of litter have been studied in Leymus chinensis meadow.