SoilSoil MicrobiologySoil PollutantsAgricultureFertilizersBiodegradation, EnvironmentalRNA, Ribosomal, 16SBacteriaHerbicidesManureLinuronAtrazineChemistry, AgriculturalDenaturing Gradient Gel ElectrophoresisCarbofuranDNA, RibosomalMethylurea CompoundsDenitrificationMetals, HeavyPhylogenyCrops, Agricultural2,4-Dichlorophenoxyacetic AcidBiodiversityEnvironmental PollutionDNA, BacterialSequence Analysis, DNAEcosystemNitrogen FixationFungiNitrogenBiomassArchaeaGenes, rRNANitratesMolecular Sequence DataNitrous OxidePlant RootsAmmoniaEnvironmental MonitoringCluster AnalysisRNA, BacterialSoil Pollutants, RadioactiveGenes, BacterialPolymerase Chain ReactionOxidation-ReductionTreesCarbonBiotaEnvironmental RemediationDesert ClimateHumic SubstancesPoaceaeNitrificationOligochaetaWaterActinomycetalesAgricultural IrrigationNitrogen CycleCarbon CycleTropical Climate