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Understanding biochar

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Before biochar can be widely adopted in agriculture, better understanding is needed of its properties and how it interacts - both positively and negatively - with the soil... Gas chambers are used to measure greenhouse gas emissions from a soil amended with biochar in Western Australia... Applications of biochar to soil have demonstrated improvements in the physical structure of the soil by: increasing water-holding capacity (in sandy soils); reducing the tensile strength of hardsetting soil; altering the soil thermal properties; and improving physical conditions for increased earthworm populations...