Buried woodchips or biochar as a means of soil productivity and carbon restoration: Effects on microbial activities, soil carbon cycling and plant cover in a semiarid ecosystem

Noelle J Espinosa1, David JP Moore2, Craig Rasmussen3, Jeffrey S Fehmi1 and Rachel E Gallery2, (1)University of Arizona, Tucson, AZ, United States, (2)University of Arizona, School of Natural Resources and the Environment, Tucson, AZ, United States, (3)University of Arizona, Department of Soil, Water and Environmental Science, Tucson, AZ, United States