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Articles by Lianxi Sheng
Total Records ( 1 ) for Lianxi Sheng
  Xuezhi Wang and Lianxi Sheng
  Although, grazing is a common utilization pattern of grassland, little information is available about the effect of grazing intensity on microorganism quantity and microbial biomass of soil in grassland under protection forest. The present study was conducted to investigate the effect of grazing intensity on microorganisms and microbial biomass of soil in grassland under protective forest of Songnen plain. The grassland was divided into different part treated with Non-Grazing (NG), Light Grazing (LG), Moderate Grazing (MG), Severe Grazing (SG) and Extreme Grazing (EG), respectively. Three sampling points were selected in each grazing treatment site and soil samples (0-10 cm depth) were collected five times at each sampling points. Plate-counting technique was used to analyses soil microorganism quantity. MBC and MBN of soil were determined using the Chloroform-Fumigatione Extraction Method. The results showed that LG and MG could significantly increase quantity of microorganism, MBC and MBN of soil while SG and EG significantly decrease them. These results demonstrated the importance of moderate grazing in grassland under protection forest of Songnen plain.
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