Through field investigation and comprehensive analysis, this paper classified green space system on campus of Southwest University of Science & Technology into
T o investigate cold tolerance of different cultivars and species in Dendrobium Sw. in North China, 8 strains of Dendrobium officinal and other 5 Dendrobium spe
Aiming at the rapid development of leisure tourism in coastal cities,the regional economic theory was first analyzed based on existing studies,the integration p
Non-point source(NPS) water pollution generated by agricultural production has become a major environmental issue in agroforestry watersheds such as the Three G