The pattern diversity changes and their mechanisms in the successinal processes of artificial Leymus chinensis grassland were analysed.

Dynamics of Zn between soil and plant in Northeast Leymus chinensis grassland;

Effect of grazing intensity on the regrowth capability in Leymus chinensis grassland;

Dynamics of nutrient element iron in soil-plant ecosystem of the Songnen Plain Leymus chinensis grassland.;

Comparative study on microclimate of Aneurolepidium chinense grassland under burning and grazing;

Grazing succession pattern or alkalized Aneurolepidium chinense grassland on Sougnen plain;

Seasonal dynamics of biomass and nutrition of artificial grassland established in "black soil type" degraded grassland in Gemutan;

Study on the changes of soil nutrients,microbial biomass P and neutral phosphatase activity of artificial grassland sown in different years in the headwaters of the Yangtze and Yellow Rivers;

Characteristics of artificial grassland plant communities with different establishment duration and their relationships with soil properties in the source region of Three Rivers in China;

Optimum study of sown pasture sheep systems Ⅴ Study of the effect of rotational grazing on pregnant Cormo ewe intake;

Improving Sown Pasture-Sheep Production SystemsⅢ Analysis of Efficiency for Winter and Spring Lambing Systems within Existed and Improved Systems;

Effects of Grazing Intensity on Forage Productivity and Sheep Performance at Pasture in South China

Forage introduction experiment for sown pasture establishment in alpine areas of Yellow River s upper reaches;

Optimization of shorthorn beef cattle grazing system on sown pasture;

The growth and reproductive trends of Leymus chinensis on sown pastures;