[EBOOK] Make Your Own Biochar Stove Quick & Easy!, By Kelpie Wilson

Biochar is charcoal that Is made for use in soil. Biochar Is made from biomass (like wood or straw) by applying heat In the absence of oxygen. Heat bakes the biomass, releasing flammable gases and leaving behind a solid carbon structure -charcoal.

Charcoal Is beneficial as a soil amendment. It absorbs and holds water, air and nutrients, making them available to plants. Charcoal works best in soil if it is composted with other organic matter first. Composting makes It more compatible with soil. When we add charcoal to soil it becomes blochar.

The History of Biochar

In the Amazon rainforest, people added blochar to soils over thousands of years to help grow food crops In the poor tropical soils. Tropical soils can grow giant rain forests, but when the forest cover is removed, rain washes the soil away. Biochar helped people stabilize the soil for agriculture. A lot of the biochar Is still there, thousands of years later. Even today, farmers value these old, black Terra Preta soils for their increased productivity compared to the nearby red soils.

Before the development of modern agricultural technology, farmers In Japan, China, Europe and many other countries, Including the United States, used biochar. Farmers wrote about the benefits of charcoal In the first scientific agriculture journals that were published back in the 1800s:

“For tiro years past I have used some fifty loads each season of refuse charcoal, and being fidly convinced that it pays, I wish to recommend it to my brother farmers.” — The New Jersey Farmer, September 1856

The benefits of charcoal in soil were once widely recognized by farmers in cultures all around the world, but access was limited (charcoal Is labor-intensive to make) and with the advent of cheap fertilizer made from fossil fuels, the biochar tradition was lost.

[EBOOK] Make Your Own  Biochar Stove  Quick & Easy!, By Kelpie Wilson

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