Degradation of Chlorella cells during composting

The changes in the consumption and evolution rates of O 2, CO 2 and NH 3, and in the substances present in water extracts of Chlorella compost during its decomposition were investigated. Experimental results showed that the decomposition of sugars commenced in the early stages of composting. Later,...

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Bibliographic Details
Published in:Journal of biotechnology 1998-12, Vol.66 (2), p.187-193
Main Authors: Kitano, Makoto, Yoshida, Takashi, Maeda, Kouichirou, Matsukawa, Ritsuko, Hasebe, Yasusi, Uchiyama, Shunichi, Karube, Isao
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
AMMONIA
AMMONIAC
AMONIACO
Biodegradation
Biological and medical sciences
BRASSICA RAPA
Carbon dioxide
CHLORELLA
Compost
COMPOSTAGE
COMPOSTING
CRECIMIENTO
CROISSANCE
Decomposition
ELABORACION DEL COMPOST
FIJACION DEL NITROGENO
FIXATION DE L'AZOTE
Free ammonia
Freshwater
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
GROWTH
Lipids
NITROGEN FIXATION
Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries
Oxygen
Soil-plant relationships. Soil fertility. Fertilization. Amendments
Sugars
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Summary:The changes in the consumption and evolution rates of O 2, CO 2 and NH 3, and in the substances present in water extracts of Chlorella compost during its decomposition were investigated. Experimental results showed that the decomposition of sugars commenced in the early stages of composting. Later, the decomposition of lipids became the dominant process. An attempt to clarify the relationship between the compounds present and the effect of the Chlorella compost on komatsuna ( Brassica campestris L. var. rapiferafroug) seedling growth showed that higher loading ratios of the Chlorella compost required sufficiently longer composting times to remove excess NH 3.
ISSN:0168-1656
1873-4863
DOI:10.1016/S0168-1656(98)00144-8