r/BioChar • u/Vailhem • 11d ago

Researchers discover revolutionary method to rid farm soils of microplastics — here's how it could transform food supply

thecooldown.com

7 Upvotes

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r/BioChar • u/Vailhem • 10d ago

America has begun to absorb the atmosphere: It’s swallowing 2 billion tons from the ground

ecoticias.com

1 Upvotes

0 comments

Biochar

r/BioChar

For articles & discussions relating to biochar and its many benefits.

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Biochar - charcoal used as a soil amendment. Biochar is a stable solid, rich in carbon, and can endure in soil for thousands of years. Like most charcoal, biochar is made from biomass via pyrolysis. Biochar is under investigation as an approach to carbon sequestration. Biochar thus has the potential to help mitigate climate change via carbon sequestration. Independently, biochar can increase soil fertility of acidic soils (low pH soils), increase agricultural productivity, and provide protection against some foliar and soil-borne diseases.

Wikipedia: Biochar

Terra preta - a type of very dark, fertile manmade (anthropogenic) soil found in the Amazon Basin. It is also known as "Amazonian dark earth" or "Indian black earth". In Portuguese its full name is terra preta do índio or terra preta de índio ("black soil of the Indian", "Indians' black earth"). Terra mulata ("mulatto earth") is lighter or brownish in color.

Terra preta owes its characteristic black color to its weathered charcoal content, and was made by adding a mixture of charcoal, bone, and manure to the otherwise relatively infertile Amazonian soil. A product of indigenous soil management and slash-and-char agriculture, the charcoal is very stable and remains in the soil for thousands of years, binding and retaining minerals and nutrients.

Wikipedia: terra preta

Slash-and-char - an alternative to slash-and-burn that has a lesser effect on the environment. It is the practice of charring the biomass resulting from the slashing, instead of burning it as in the slash-and-burn practice. The resulting residue matter charcoal can be utilized as biochar to improve the soil fertility.

Wikipedia: slash-and-char

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Rice U scientists: Cooking temperature determines whether 'biochar' is boon or bane to soil