I have been investigating the option of enhancing my garden soil with charcoal in order to reproduce a terra preta-like soil. Still learning, but along the way I've discovered that 'biochar' is becoming a very popular topic in the global climate change arena.
New research confirms the huge and revolutionary potential of soils to
reduce greenhouse gases on a large scale, increase agricultural
production while at the same time delivering carbon-negative
biofuels based on feedstocks that require less fertilizer and water.
Trials at Australia's New South Wales Department of Primary Industries’
(DPI) Wollongbar Agricultural Institute show that crops grown on agrichar-improved soils received a major boost. The findings come at a time when carbon-negative bioenergy is becoming one of the most widely debated topics in the renewable energy and climate change community.
The Australian trials of 'agrichar' or 'biochar' have doubled and, in one case, tripled
crop growth when applied at the rate of 10 tonnes per hectare. The
technique of storing agrichar in soils is now seen as a potential
saviour to restore fertility to depleted or nutrient-poor soils
(especially in the tropics), and as a revolutionary technique to
mitigate climate change. Moreover, agrichar storage in soils is a
low-tech practise, meaning it can be implemented on a vast scale in the
developing world, relatively quickly. Read More
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