The web is about activities and work in the Ecosystems and Biogeochemical Dynamics Laboratory (EBDL), which is directed by Prof. Qianlai Zhuang at the Departments of Earth & Atmospheric Sciences and Agronomy, Purdue University. Comments and questions to zhuq@Purdue.edu or qzhuang@Purdue.edu .     The lab is located in CIVIL 4166,4287, 550 Stadium Mall Drive, Purdue University, West Lafayette, IN 47907