Samples collected in 1997 from center of each plot before CO2 treatment commenced. Samples were oven dried (60C) and total weight determined. Sample were fractionated using a 2mm sieve and weights of
Timeseries data from \'Uapb-Earle, AR (2085)\' (gov_usda_nrcs_scan_2085)cdm_data_type = TimeSeriesProfileVARIABLES:time (seconds since 1970-01-01T00:00:00Z)latitude (degrees_north)longitude (degrees_e