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Cited by 249Composting and Vermicomposting TechniquesSoil Carbon and Nitrogen DynamicsLandfill Environmental Impact Studies

The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.

Co-composting of soybean residues and leaves in Hong Kong

Wong, J.W.C, Mak, K.F, Chan, N.W, Lam, A, Fang, M, Zhou, L.X, Wu, Q.T, Liao, X.D·2001·Bioresource Technology
DOI 10.1016/s0960-8524(00)00103-6
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Abstract

The goal of this project was to evaluate the feasibility of co-composting of soybean residues and leaves and the effects of turning frequency on compost quality. Soybean residues were mixed with leaves and sawdust in 1:1:3 (w/w wet weight) for achieving a C/N ratio of about 30. Three heaps of about 4 m3 of compost mixtures were prepared receiving a turning frequency of daily (pile A), 3-day (pile B) and weekly (pile C) turning. Different turning frequencies did not significantly affect the changes in pH and volatile solids throughout the composting period. High turning frequency caused a lower electrical conductivity and NH4-N contents as well as a shorter duration of thermophilic phase, because of a high heat loss by evaporation and volatilization of ammonia in the pile. The highest C decomposition of 4% occurred in the pile with a 3-day turning period, which coincided with the higher-nitrogen content in this treatment. All treatments with different turning frequencies reached maturation at 63 days as indicated by the soluble organic carbon, soluble NH4-N, C/N ratio and cress seed germination index. However, increasing the aeration during composting period was beneficial in accelerating the maturation process. Taking into consideration less labour and lower operation costs as compared to daily turning, it can be suggested that a 3-day turning frequency would be more appropriate for reaching acceptable quality of compost and ease in operation.

Overview

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Registry

Crossref · 10.1016/s0960-8524(00)00103-6

Cites

27 of 27 references verified0 citation errors · 0 not checkable

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Citations

Cites

Research works printed but not linked: 2

  1. Hirai, 1983, A standard measurement for compost maturity, Biocycle, 24, 54
  2. Hong Kong Environmental Protection Department, 1998. Environment in Hong Kong 1997, A Review of 1997, Hong Kong

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Metadata

Authors
Wong, J. W. C., Mak, K. F., Chan, N. W., Lam, A., Fang, M., Zhou, L. X., Wu, Q. T., & Liao, X. D.
Affiliations
  • Hong Kong Baptist University (HK)
  • Kadoorie Farm and Botanic Garden (HK)
  • South China Agricultural University (CN)
  • Nanjing Agricultural University (CN)
Corresponding author
Wong, J.W.C
ORCID
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2001-01
Volume
76
Issue
2
Pages
99-106
ISSN
0960-8524 (ISSN-L)
DOI
10.1016/s0960-8524(00)00103-6
OpenAlex
W1997809637
Cited by
249
References
27
Citations by year
2026: 2 · 2025: 5 · 2024: 12 · 2023: 12 · 2022: 16 · 2021: 20 · 2020: 22 · 2019: 15 · 2018: 8 · 2017: 15 · 2016: 17 · 2015: 7 · 2014: 12 · 2013: 13 · 2012: 14
FWCI
2.33
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Rockefeller Brothers Fund
  • Hong Kong Baptist University
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Composting and Vermicomposting Techniques
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Landfill Environmental Impact Studies
Keywords
co-composting, okara, soybean leaves, turning frequency, compost quality, compost maturation, aeration, C/N ratio, thermophilic phase, ammonia volatilization, sawdust, Hong Kong
MeSH terms
Biodegradation, Environmental, Biotechnology, Carbon, Chemistry, Physical, Electric Conductivity, Hong Kong, Hydrogen-Ion Concentration, Nitrogen, Refuse Disposal, Seeds, Glycine max, Temperature, Plant Leaves, Germination, Chemical Phenomena

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