Biogas production by co-ensiling catch crops and straw, effect of substrate blend and microbial communities

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The combination of catch crop (CC) and barley straw (S) for biogas production was investigated in order to evaluate the ensiling process in batch assay and in continuous process. Based on two new agriculture strategies designed to produce energy and improve nutrient cycling in organic farming are being evaluated, one of them consisting on the harvest of straw and catch crop in different periods whereas the other strategy consists on harvesting them at the same time. Catch crops is promoted to reduce nutrient leaching during rainy season and straw that is not used for animal feeding or bedding is generally left in the field. Mixtures of CC and S provides several advantages: 1) Provides adequate TS for silage, 2) Absorbs the silage effluent, 3) Produces high LAB activity, and 4) Provides an optimal C/N for anaerobic digestion (AD). The effect of feeding compositions (straw or manure addition) on the microbial community structures were also investigated.
Original languageEnglish
Publication year25 Jun 2019
Number of pages1
Publication statusPublished - 25 Jun 2019
Event16th IWA World Conference on Anaerobic Digestion - Delft University of Technology, Delft, Netherlands
Duration: 23 Jun 201926 Jun 2019
Conference number: 16
https://www.ad16conference.com/

Conference

Conference16th IWA World Conference on Anaerobic Digestion
Number16
LocationDelft University of Technology
CountryNetherlands
CityDelft
Period23/06/201926/06/2019
Internet address

    Research areas

  • Anaerobic Digestion, Catch Crops, Silage, Lignocellulosic Biomass

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