18 September 2013

'Grassroots action' in livestock feeding to help curb global climate change

Scientists meeting in Australia describe how they are turning a dream into reality, with major benefits for people and the environment
SYDNEY, AUSTRALIA (13 September 2013)—In a series of papers to be presented next week, scientists offer new evidence that a potent chemical mechanism operating in the roots of a tropical grass used for livestock feed has enormous potential to reduce greenhouse gas emissions.

Referred to as "biological nitrification inhibition" or BNI, the mechanism markedly reduces the conversion of nitrogen applied to soil as fertilizer into nitrous oxide, according to papers prepared for the 22nd International Grasslands Congress. Nitrous oxide is the most powerful and aggressive greenhouse gas, with a global warming potential 300 times that of carbon dioxide.

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