Self-Organizing Map-Based Assessment of Compost Maturity and Cu/Zn Passivation in Biochar-Amended Pig Manure DOI Creative Commons

Hongqiong Zhang,

Xinlong Yu,

Lina Luo

et al.

Agronomy, Journal Year: 2025, Volume and Issue: 15(4), P. 778 - 778

Published: March 22, 2025

The accumulation of copper (Cu) and zinc (Zn) from piglet feed, coupled with inadequate compost maturation, hinders the safe land application pig manure (PM). This study employed self-organizing maps (SOMs) integrated three-dimensional excitation–emission matrix fluorescence spectroscopy (3D-EEM) parallel factor analysis (PARAFAC) to evaluate PM maturity Cu/Zn passivation under different biochar (BC) dosages (0%, 8%, 10%, 12%). results revealed that SOM clustering effectively distinguished composting phases organic matter transformation trends, while network identified key microbial modules (M5, M6) linked passivation. Moreover, 12% BC accelerated maximizing humic content (C1: anthropogenic; C4: terrestrial) by increasing Luteimonas abundance (241.98%) reducing Terrisporobacter (92%). It also achieved highest Cu (36.36%) Zn (32.34%) Although 10% promoted C4 synthesis but inhibited C1 formation, it ultimately reached a similar level BC. Additionally, demonstrated comparable (34.85%) (27.89%) passivation, making more cost-effective alternative. These findings highlight as robust tool for evaluation, optimizing improving efficiency.

Language: Английский

Harnessing the potential of exogenous microbial agents: a comprehensive review on enhancing lignocellulose degradation in agricultural waste composting DOI
Meng Liu, Lei Xu, Zhixuan Yin

et al.

Archives of Microbiology, Journal Year: 2025, Volume and Issue: 207(3)

Published: Feb. 2, 2025

Language: Английский

Citations

0
Self-Organizing Map-Based Assessment of Compost Maturity and Cu/Zn Passivation in Biochar-Amended Pig Manure DOI Creative Commons

Hongqiong Zhang,

Xinlong Yu,

Lina Luo

et al.

Agronomy, Journal Year: 2025, Volume and Issue: 15(4), P. 778 - 778

Published: March 22, 2025

The accumulation of copper (Cu) and zinc (Zn) from piglet feed, coupled with inadequate compost maturation, hinders the safe land application pig manure (PM). This study employed self-organizing maps (SOMs) integrated three-dimensional excitation–emission matrix fluorescence spectroscopy (3D-EEM) parallel factor analysis (PARAFAC) to evaluate PM maturity Cu/Zn passivation under different biochar (BC) dosages (0%, 8%, 10%, 12%). results revealed that SOM clustering effectively distinguished composting phases organic matter transformation trends, while network identified key microbial modules (M5, M6) linked passivation. Moreover, 12% BC accelerated maximizing humic content (C1: anthropogenic; C4: terrestrial) by increasing Luteimonas abundance (241.98%) reducing Terrisporobacter (92%). It also achieved highest Cu (36.36%) Zn (32.34%) Although 10% promoted C4 synthesis but inhibited C1 formation, it ultimately reached a similar level BC. Additionally, demonstrated comparable (34.85%) (27.89%) passivation, making more cost-effective alternative. These findings highlight as robust tool for evaluation, optimizing improving efficiency.

Language: Английский

Citations

0