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Soil organic matter from southern pine biofuel feedstocks under different soil types and management systems

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2017

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Mosier, Samantha, author
Paustian, Keith, author
Davies, Christian, author
Cotrufo, M. Francesca, author

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Using pre-commercial thinnings in pine plantations has the potential to deliver sustainable biofuels. However, the removal of biomass from these plantations could reduce C inputs belowground and overall C storage. This study analyzes soil C and N stocks to estimate stock changes, as a function of soil type and different management systems. Soil cores were taken from 12 different southern pine plantations, representing 4 different soil types. Each site had 2 silvicultural regimes across 3 levels of pre-commercial thinning. Soils were separated into meaningful fractions to understand how much soil organic matter is bioavailable and how much is stabilized.

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