SRR3096666 Miseq Seed Inoculum fastq files SRR3096668 Phase 1 biomass fastq files SRR3096670 Phase 3 biomass fastq files SRR3096672 Phase 4A.c biomass SRR3096673 Biomass from the end of the trial SRR3096688 Pumice stone filter biomass SRR3105805 Pumice stone filter DNA