Through explaining the problem that raised in the sludge treatment and disposal municipal sewage treatment plant, and demanding of the soil for flowers in the city and family, we put forward a new way of using the sludge which is made into organic soil for flowers and containing bioactive matters.

Surface Pollen and Its Climatical Significance of Vertical Zone in Beitai,Xiaowutai Mountain;

Surface pollen analysis has been an important tool for refining vegetation history and palaeoclimatic interpretations.

A study of pollen influx and surface pollen assemblages from peak meadow, birch forest, Ostryopsis shrub, artificial pine forest and weeds grassland in Manhan and Daqing Mountains in the east part of Yinshan mountains found that the diversities are obvious of pollen influx and pollen content among different vegetation types, even among different sample sites in the same vegetation type.