Effects of arginine modified additives on humic acid formation and microbial metabolic functions in biogas residue composting

Lu, Mingyi; Feng, Qing; Li, Xu; Xu, Baochao; Shi, Xilin; Guo, Rongbo

doi:10.1016/j.jece.2022.108675

Cited by 14 publications

(1 citation statement)

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“…The study by Zakarya [11] showed that the potassium concentration in 36 days of making mature compost with a bio-decomposer is higher than that in compost without a bio-decomposer. Compost's primary component, potassium, is used in the metabolism of microbes [12], causing the concentration of potassium to develop at the beginning and end of the composting process. The compost material consists of potassium in the form of a complex organic compound that plants cannot use directly.…”

Section: Potassiummentioning

confidence: 99%

Composting of Market Waste using Bio-Decomposer

Shahira Huda Shabudin,

Tengku Nuraiti Tengku Izhar

2023

ASET

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This work presents a study on the composting of market waste by using bio-decomposers, which are effective microorganisms (EM), indigenous microorganisms (IMO), and bokashi to compost the market waste. To investigate the effect of different bio-decomposers on the waste composting period in terms of the compost quality (pH, temperature, moisture content, and carbon to nitrogen ratio (C/N)) and also to investigate the nutrients content such as nitrogen (N), phosphorus (P), and potassium (K) in the compost. The compost has been prepared from different mixtures of market waste for 36 days. Market waste with IMO in bin B shows a good result in compost, where the temperature recorded was 28 °C and the pH was 8. The moisture content ranged between 50% and 60% in day 30 and showed the lowest C/N ratio, which was 7:1 and achieved the first maturity phase compared to other bins. The highest nitrogen, potassium, and phosphorus also resulted in compost with IMO, which were 2.3%, 5.2 mg/l, and 1.62 mg/l, respectively. The result showed that compost quality for IMO as a bio-decomposer was superior compared to EM, bokashi, and compost without a bio-decomposer because IMO compost is more effective at breaking down organic matter.

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Section: Potassiummentioning

confidence: 99%