@article {701, title = {Physiological shifts in the microbial community drive changes in enzyme activity in a perennial agroecosystem}, journal = {Biogeochemistry}, volume = {117}, year = {2014}, pages = {67-79}, publisher = {Springer Netherlands}, isbn = {0168-2563}, author = {Hargreaves, Sarah K and Hofmockel, Kirsten S.} }