HU Yu-tong1,2, SHI Lian-hui1,2,3, LIU Deng-min1,2, TONG Shao-wei1,2,WEI Mei-yan1,2, SUN Jie1,2. Effects of different perlite additions on physical and chemical properties of sewage sludge compost and growth of Tagetes patula.[J]. Chinese Journal of Applied Ecology.