Fig. 6. Optical densities of 0.5 M K2SO4 extracts of soils following microwave irradiation or chloroform fumigation. The vertical bars on top of each column refer to standard errors of two replicates. LSD0.05 = 0.0068.
Fig. 6. Optical densities of 0.5 M K2SO4 extracts of soils following microwave irradiation or chloroform fumigation. The vertical bars on top of each column refer to standard errors of two replicates. LSD0.05 = 0.0068.