The crop community machinery and mechanization of its cultivation;

The crop set level (individual, colony and community), and the signification, characteristics and development of crop community cultivation are described.

The unofficial publications which affect strongly to the contemporary Literature both in the literature ideas and practices are consequence circulations of literary works, even in the history of China's Contemporary Literature, and a great number of " writers' communities" related to different publications began to.

Investigation Report of Plant Communities in Shanghai Botanical Garden;

The changes of soil quality as affected by different land use in plant communities of Southern Ningxia loess hilly region;

Quantitative classification of plant communities in the modern Yellow River Delta.;

Analysis on noise reduction effect of urban plant community;

Analysis of diversity of the plant community in estuary wetland of the Shiwulihe River in the basin of the Chaohu Lake;

Preliminary study on the natural regeneration and degenerated succession of the plant community of desert grassland in Minqin;