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China could make staple crops carbon-negative by including biochar to soil

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Researchers calculate that different farming practices might flip staple crop manufacturing right into a carbon sink and enhance crop yields in China if adopted en masse



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14 February 2023

Farmers harvesting straw in Anhui province, China

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China’s manufacturing of staple meals crops reminiscent of wheat and corn might change into a web carbon sink if farmers begin extensively making use of biochar to soil.

As a substitute of returning uncooked biomass, like straw, to the soil on the finish of the rising season, farmers might take it to pyrolysis vegetation, the place the fabric is heated at a really excessive temperature in an oxygen-free chamber to create biochar, a charcoal-like stable wealthy in carbon.

Research have proven that making use of it to soils not solely …



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