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Oh my goodness...I am in LOVE with this experiment idea!!!!! I can't wait until Earth Day and our Lorax unit!!!! :-)

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from cleveland.com

Cuyahoga Soil and Water Conservation District has painted rain barrel display and auction

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Healthy soils are the foundation of the food system. Our soils are the basis for agriculture and the medium in which nearly all food-producing plants grow. Healthy soils produce healthy crops that in turn nourish people and animals. Indeed, soil quality is directly linked to food quality and quantity.

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Similar to a sieve, the willows allow water to flow through but trap the sediment back. Within a year, these structures can trap up to 10cm of sediment. Over time, this increases as the willows become more established and more sediment can be kept back. After 20 to 30 years, the vegetation will have complete cover and sediment erosion is almost completely stopped.

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Soils and vegetation have a reciprocal relationship. Fertile soil encourages plant growth by providing plants with nutrients, acting as a water holding tank, and serving as the substrate to which plants anchor their roots. In return, vegetation, tree cover and forests prevent soil degradation and desertification by stabilizing the soil, maintaining water and nutrient cycling, and reducing water and wind erosion.

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Scholastic StudyJams video on Weathering and Erosion. They also have videos for Landforms and Soil. The videos are awesome and use superheroes to explain the concepts.

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Mondo grass is a sod-forming perennial that serves as a hardy and attractive groundcover in a garden or backyard setting. As an alternative to regular grass, mondo is a low maintenance turf that never needs to be mowed.

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