Nigeria Water Resources, Integrated Water Management, Surface and Groundwater, Water Pollution, Water Availability
Soil Management, Soil Health, Environmental Sustainability, Soil Fertility, Crop Productivity
Heavy metal, Micronutrients, Soil properties, Dumpsite, Ughelli
Heavy Metals, Okra, Dumpsites, Soil Properties, Soil Analysis
Slope Gradient, Soil Variability, Soil Nutrient, Soil Properties, Toposequence