Microbial strategies and biochemical activity during lignocellulosic waste composting in relation to the occurring biothermal phases

Journal of Environmental Management
Justyna Bohacz

Abstract

Typically, hardly-degradable lignocellulosic waste is a component or a co-component of the composted mass. The aim of the work was to present the dynamics and succession of microbial communities during small temperature changes, conditioned by the availability of lignocellulosic polymer and feather waste (the presence of N) in composts with qualitatively and quantitatively different lignocellulosic waste, but most of all, to draw attention to the previously not considered microbial strategies in the composted mass. Decomposition of lignocellulose during composting was similar to the priming effect in the soil, because it was associated with the successive occurrence of two groups of microorganisms. The first group of microorganisms, using easily accessible fraction of the lignocellulose complex, was named the first-strategist group, i.e., non-nutritionally specialized group of microorganisms. The second group, utilizing the hard-to-degrade fraction of lignocellulose, was named second-strategist microorganisms, i.e., nutritionally-specialized group of microorganisms. Biodegradation of the lignocellulose complex in compost I enriched with grass (42.86% pine bark, 34.28% grass, 20.0% sawdust and 2.86% chicken feathers) was faster ...Continue Reading

Citations

Sep 13, 2018·Environmental Technology·Tatiane Cristina Dal BoscoElizabeth Mie Hashimoto
Mar 8, 2020·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Ziyi Liu, Stephen R Smith
Jun 15, 2019·AMB Express·José Germán Serrano-GamboaMónica Noel Sánchez-González
Jul 25, 2020·Environmental Science and Pollution Research International·Jana RůžičkováKonstantinos Moustakas
Apr 22, 2020·Journal of Environmental Management·Justyna Bohacz, Teresa Korniłłowicz-Kowalska

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