Protaetia brevitarsis larvae can efficiently convert herbaceous and ligneous plant residues to humic acids

文献类型： 外文期刊

第一作者： Fu, Tong

作者： Fu, Tong;Geng, Lili;Song, Fuping;Zhang, Jie;Shu, Changlong;Shi, Yu;Chu, Haiyan;Liu, Fushun;Liu, Chunqin

作者机构：

关键词： Agricultural residues; Organic fertilizer; Insect manure; Humic acids

期刊名称：WASTE MANAGEMENT （ 影响因子：7.145； 五年影响因子：7.907 ）

ISSN： 0956-053X

年卷期： 2019 年 83 卷

页码：

收录情况： SCI

摘要： Utilization of the organic residues produced after crop harvesting is currently an important issue across the world. The edible insect Protaetia brevitarsis larvae can feed various organic matters. In this paper, we investigated the potential to utilize the insect to convert herbaceous and ligneous plant residues. We feed the insect larvae with maize straw and sawdust and analyzed the produced insect manure. P. brevitarsis larval was found to be able to digest both herbaceous and ligneous straw and insect manure extract shown no phytotoxicity. The mass fractions of humic acids (HAs) in the insect manure derived from maize straw and sawdust digestion were 24.37% and 14.46%, respectively. The C-13 cross-polarization magic-angle spinning nuclear magnetic resonance (CP-MAS NMR) spectra data indicated that the HAs in the insect manure were similar to those found in the soil. These data suggested that P. brevitarsis larvae can be used to convert agricultural residues and produce organic fertilizers. (C) 2018 Elsevier Ltd. All rights reserved.

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