CO 2 production, dissolution and pressure dynamics during silage production: multi-sensor-based insight into parameter interactions

Silage is a critical global feedstock, but is prone to aerobic deterioration. The dominant mechanism of O transport into silage remains unresolved. Here, multiple sensors tracked O and CO , gas pressure (ΔP) between internal silage and ambient air, pH and silage temperature (T ) during the ensilage...

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Veröffentlicht in:Scientific reports 2017-11, Vol.7 (1), p.14721
Hauptverfasser: Li, Menghua, Shan, Guilin, Zhou, Haiyang, Buescher, Wolfgang, Maack, Christian, Jungbluth, Kerstin H, Lipski, André, Grantz, David A, Fan, Youheng, Ma, Daokun, Wang, Zhongyi, Cheng, Qiang, Sun, Yurui
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Sprache:eng
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Zusammenfassung:Silage is a critical global feedstock, but is prone to aerobic deterioration. The dominant mechanism of O transport into silage remains unresolved. Here, multiple sensors tracked O and CO , gas pressure (ΔP) between internal silage and ambient air, pH and silage temperature (T ) during the ensilage of maize and ryegrass. We report the first observation that CO produced from microbial respiration was partially dissolved in silage water, with evidence of negative or positive ΔP depending on the changing balance between CO production and dissolution. The ΔP 
ISSN:2045-2322