Journal article Open Access

Methane Yield Potential of Miscanthus (Miscanthus (Greef et Deuter)) Established under Maize (Zea mays L.)

M. von Cossel; A. Mangold; Y. Iqbal; I. Lewandowski

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<oai_dc:dc xmlns:dc="" xmlns:oai_dc="" xmlns:xsi="" xsi:schemaLocation="">
  <dc:creator>M. von Cossel</dc:creator>
  <dc:creator>A. Mangold</dc:creator>
  <dc:creator>Y. Iqbal</dc:creator>
  <dc:creator>I. Lewandowski</dc:creator>
  <dc:description>This study reports on the effects of two rhizome-based establishment procedures ‘miscanthus under maize’ (MUM) and ‘reference’ (REF) on the methane yield per hectare (MYH) of miscanthus in a field trial in southwest Germany. The dry matter yield (DMY) of aboveground biomass was determined each year in autumn over four years (2016–2019). A biogas batch experiment and a fiber analysis were conducted using plant samples from 2016–2018. Overall, MUM outperformed REF due to a high MYH of maize in 2016 (7211 m3 N CH4 ha-1). The MYH of miscanthus in MUM was significantly lower compared to REF in 2016 and 2017 due to a lower DMY. Earlier maturation of miscanthus in MUM caused higher ash and lignin contents compared with REF. However, the mean substrate-specific methane yield of miscanthus was similar across the treatments (281.2 and 276.2 lN kg-1 volatile solid-1). Non-significant diferences in MYH 2018 (1624 and 1957 m3 N CH4 ha-1) and in DMY 2019 (15.6 and 21.7 Mg ha-1) between MUM and REF indicate, that MUM recovered from biotic and abiotic stress during 2016. Consequently, MUM could be a promising approach to close themethane yield gap of miscanthus cultivation in the first year of establishment.</dc:description>
  <dc:source>Energies 2019(12) 4680</dc:source>
  <dc:subject>cropping system</dc:subject>
  <dc:subject>methane yield</dc:subject>
  <dc:subject>perennial crop</dc:subject>
  <dc:title>Methane Yield Potential of Miscanthus (Miscanthus (Greef et Deuter)) Established under Maize (Zea mays L.)</dc:title>
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