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Farm’s climate emissions and nutrient cycles under better control by combining biogas and clover grass production

Biogasclover

The research goals are 1) Year-round assessment of ghg and energy balances of legume grass swards that are used as an input for biogas production. 2) Quantification of methane production from legume grass input using a farm scale biogas reactor. 3) Assessment of potential for improving nutrient cycling by returning digestate from biogas production to legume grass sward as a fertilizer. 4) Assessment of biological background for decrease observed earlier in ghg-emissions during growing period.

The project aims to benefit politics, research, farmers and advisory services. Scientific publications will be produced focusing on biogas production and nutrient cycling and on clover grass greenhouse gas emission balances. Produced data can be utilized later for modelling and in further analyses. In addition, results will be used to produce concepts that can be utilized directly by farmers to improve their production systems.