摘要: What Are Soils?.- Microbial Diversity in Soils.- Microorganisms and Soil Genesis.- Role of Wear Down Rocks Minerals.- Humification Mineralization Importance for Aggregation.- Biogeochemical Processes Energetics Carbon Cycling Contribution Bacteria to Initial Input Nitrogen Influence on Phosphorus Bioavailability Biotic Interactions Involving Microorganisms.- Between Mycorrhizal Fungi Improve Plant Nutrient Structure.- Mycorrhizosphere: Strategies Functions.- Micro- Mesofauna.- Function Microbes Specific Compartments.- Transgenic Rhizospheres Crop Plants: Their Impact Indigenous Fungi.- Regulation Activities Functional Domains Roots Invertebrates.- Biological Crusts Surfaces.- Toxic Metal-Polluted Techniques Investigate Marker Genes Microbiology.- Assessing Functions with Isotopic Measurements.