Possible school experiment to show importance of wetlands/riparian zones! This shows the importance of plants in our soil. Plants like trees and grasses help purify ground water. Without them the ground water gets polluted and harder to clean and drink.
Grounded: Why soil matters to the health of the planet and us
THIS IS WHY I GROW MY OWN FOOD! The nutrition in the soil that grows the food supply is depleted. Composted soil is my fertilizer and crop rotation every three years is a must! 5 Signs of Healthy Soil: - Gardening Life Today
Soil Conservation Techniques for Hillside Farms (Peace Corps, Soil conservation strategies: Strategies in cultivation systems characterized by extensive soil disturbance: Waterways from draining excess water for fields