Cultivation of Pleurotus ostreatus, a Potential Candidate for Biogas Residues Degradation

文献类型： 外文期刊

第一作者： Zhou, Jun-Liang

作者： Zhou, Jun-Liang;Song, Shuang;Huang, Zhen-Xing;Yang, Li;Liu, Yu;Wang, Shou-Xian;Jiao, An-Guo

作者机构：

关键词： Biogas residue; Oyster mushroom; Heavy metals; Chemical content; Substrate amendment

期刊名称：BIORESOURCES （ 影响因子：1.614； 五年影响因子：1.923 ）

ISSN： 1930-2126

年卷期： 2018 年 13 卷 3 期

页码：

收录情况： SCI

摘要： Biogas projects are rapidly expanding in China, but there is insufficient cropland to degrade these biogas residues. Mushroom cultivation has been used to degrade various agricultural wastes. In this study, to screen the feasibility of utilizing biogas residues as potential substrates for the cultivation of Pleurotus ostreatus, seven different concentrations (0 to 60%) of biogas residue mixed with cottonseed hull, wheat bran, and lime were used to cultivate P. ostreatus. The mycelial growth rate, mycelial colonization time, yield, biological efficiency, chemical compositions, and content of four heavy metals, Cd (cadmium), Pb (lead), Hg (mercury), and As (arsenic), were analyzed. The results showed that 10 to 30% of biogas residue mixed in the substrates induced the growth of P. ostreatus mycelia faster than the others. A lower percentage (10 to 20%) of biogas residue added to the substrates is beneficial to the production and nutrient components of P. ostreatus, and the fruiting bodies produced on biogas residue-containing substrates conform to the safety standards for edible mushrooms. Although the total harvest is not significantly increased when biogas residue is added, the utilization of cheap biogas residues can conceivably reduce the practical cost and benefit the environment.

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