Assess Soil Health with Radishes and Earthworms
At 10:49 in
Learn Something Today: Small Scale No Till Farming...Building Soil From A to Z!
What happens here
In a field previously terminated and planted, the hosts examine the soil beneath the cover crop mat. They locate a decomposing daikon radish (also called tillage radish) tuber, explaining its role in aerating the soil by burrowing deep (1-2 feet) and creating channels for water infiltration. Radishes also break up compacted soil and store nutrients that are released upon decomposition. Digging deeper, they reveal numerous earthworms, which are crucial indicators of healthy soil, further enhancing aeration and nutrient cycling. The soil profile shows a rich, dark topsoil layer transitioning to red clay, demonstrating the successful long-term soil building process.
Goal: Observe the impact of daikon radishes on soil structure and nutrient cycling, and confirm the presence of active earthworms as indicators of improved soil health.
Tools and materials
- Shovel
- Daikon/Tillage Radishes (decomposing)
- Earthworms
What they say
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What they say
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