Unverified50% confidenceFactExact time
Mature temperate forests deliver 40–80 kg/hectare of nitrogen and approximately 5–10 kg/hectare of phosphorus to the soil annually through the litter layer.
1
Sources
50%
Confidence
Long-term
Relevance
8/16/2026
First Seen
Sources
木屑种菜实践：不用堆肥也能高产的覆盖种植法
Related Claims
UnverifiedWood chips have a carbon-to-nitrogen ratio of approximately 400:1 to 500:1, making them a high carbon-to-nitrogen ratio organic material.67% similarUnverifiedModern soil science research has found that the carbon content of Amazonian Dark Earth is more than 70 times that of surrounding natural soils, its phosphorus content is hundreds of times higher, and its fertility can persist for thousands of years without human maintenance.66% similar
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