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Sunn Hemp shows potential as biomass crop

An annual cover crop in the southeast known as Sunn Hemp shows potential for becoming a biofuel feedstock. Studies by the USDA’s Agriculture Research Service says the tropical legume’s heat value exceeded that of switchgrass, bermudagrass, red canary grass and alfalfa. Studies took place in South Carolina comparing the energy content of Sunn Hemp with cowpea, another common summer cover crop in the southeast.

ARS researchers say Sunn Hemp could be a valuable, sustainable biofuel feedstock one day but more study is still needed.

USDA – ARS – Sunn Hemp

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