Stuff You Should Know Oh Yes, How Soil Works
Jul 2, 2020
Prepare to be captivated by the secret life of soil! Discover how this incredible substance transforms weathered rock into nutrient-rich earth, essential for plant growth. Dive into the various soil layers, and learn about the quirky organisms that make up its ecosystem. Uncover the significance of carbon cycling and humus in maintaining ecological balance, as well as the urgent need to protect vital habitats like the Amazon rainforest. It’s a journey through the underground world that sustains our planet!
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Soil Formation
- Soil is formed from weathered rock, organic matter, and the actions of living organisms.
- This creates a symbiotic system where everything contributes to the health and balance of the soil.
Soil Horizons
- Soil is composed of distinct horizontal layers called horizons, each with unique characteristics.
- These layers vary in composition, particle size, and the presence of organic matter.
Soil Texture
- Soil texture depends on the proportions of sand, silt, and clay.
- Clay, the finest soil type, compacts easily due to its small particle size.