SoilSoil MicrobiologySoil PollutantsSpacecraftMarsExtraterrestrial EnvironmentBiodegradation, EnvironmentalBacteriaRNA, Ribosomal, 16SEcosystemWaterSequence Analysis, DNATemperatureSoil Pollutants, RadioactiveTreesFertilizersDNA, RibosomalAgriculturePlant RootsPhylogenyBiomassDNA, BacterialCarbonBiodiversityNitrogenManureBiotaFungiGenes, rRNAEnvironmental RemediationDesert ClimateMetals, HeavyHumic SubstancesMolecular Sequence DataPoaceaeCrops, AgriculturalNitrificationEnvironmental MonitoringOligochaetaActinomycetalesAgricultural IrrigationNitrogen CycleCarbon CycleTropical ClimateDenaturing Gradient Gel ElectrophoresisDenitrification