主题词：Soil Carbon and Nitrogen Dynamics; Soil and Unsaturated Flow; Soil and Water Nutrient Dynamics; Clay minerals and soil interactions; Soil erosion and sediment transport; Soil Geostatistics and Mapping; Soil Management and Crop Yield; Heavy metals in environment; Mine drainage and remediation techniques; Pasture and Agricultural Systems; Hydrology and Watershed Management Studies; Phosphorus and nutrient management; Groundwater flow and contamination studies; Geochemistry and Geologic Mapping; Soil Moisture and Remote Sensing; Peatlands and Wetlands Ecology; Iron oxide chemistry and applications; Ruminant Nutrition and Digestive Physiology; Irrigation Practices and Water Management; Hydrology and Sediment Transport Processes; Geology and Paleoclimatology Research; Landslides and related hazards; Groundwater and Isotope Geochemistry; Pesticide and Herbicide Environmental Studies; Agricultural Science and Fertilization