Carbonized rice husk and cocopeat as alternative media bed for aquaponic system
The study evaluates the suitability of carbonized rice husk and cocopeat substrates as alternative media bed in aquaponics unit for cultivation of red Nile tilapia and Gynura procumbens. Area occupied by the aquaponics unit is about 4.5 m2 and it was operated under equatorial climate conditions. Var...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Penerbit Universiti Kebangsaan Malaysia
2020
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| Online Access: | http://journalarticle.ukm.my/15179/ http://journalarticle.ukm.my/15179/1/ARTIKEL%203.pdf |
| _version_ | 1848813733693882368 |
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| author | Muhd Nazrul Hisham Zainal Alam, Nur Syahmi Izzati Ali Othman, Sani Amril Samsudin, Anwar Johari, Mimi Haryani Hassim, Mohd Johari Kamaruddin, |
| author_facet | Muhd Nazrul Hisham Zainal Alam, Nur Syahmi Izzati Ali Othman, Sani Amril Samsudin, Anwar Johari, Mimi Haryani Hassim, Mohd Johari Kamaruddin, |
| author_sort | Muhd Nazrul Hisham Zainal Alam, |
| building | UKM Institutional Repository |
| collection | Online Access |
| description | The study evaluates the suitability of carbonized rice husk and cocopeat substrates as alternative media bed in aquaponics unit for cultivation of red Nile tilapia and Gynura procumbens. Area occupied by the aquaponics unit is about 4.5 m2 and it was operated under equatorial climate conditions. Various substrates namely lightweight expanded clay aggregate (LECA), cocopeat, carbonized rice husk and a mixture of cocopeat-rice husk at ratio 1:1 were prepared using polybags for growing of the longevity spinach. The resultant effects from fish cultivation and plants growth on the water qualities and nitrification efficiency of the aquaponics unit were reported. The aquaponics unit were operated for twelve weeks and the values of pH, temperature, and dissolved oxygen level were measured to be within the range of 6.4-6.9, 27.7-29oC, and 5.5-7 mg·L-1, respectively. Survival rate for fish was 98% with specific growth rate (SGR) and food conversion ratio (FCR) of 6.9% per day and 1.13, respectively. Nutrient deficiency was not evident and plants showed healthy growth with harvest yield ranging between 3.6 and 3.9 kg·m-2. Results attained signified the suitability of utilizing carbonized rice husk and cocopeat as alternatives media bed compared to commercial media bed such as LECA. |
| first_indexed | 2025-11-15T00:22:53Z |
| format | Article |
| id | oai:generic.eprints.org:15179 |
| institution | Universiti Kebangasaan Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T00:22:53Z |
| publishDate | 2020 |
| publisher | Penerbit Universiti Kebangsaan Malaysia |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | oai:generic.eprints.org:151792020-09-14T00:59:21Z http://journalarticle.ukm.my/15179/ Carbonized rice husk and cocopeat as alternative media bed for aquaponic system Muhd Nazrul Hisham Zainal Alam, Nur Syahmi Izzati Ali Othman, Sani Amril Samsudin, Anwar Johari, Mimi Haryani Hassim, Mohd Johari Kamaruddin, The study evaluates the suitability of carbonized rice husk and cocopeat substrates as alternative media bed in aquaponics unit for cultivation of red Nile tilapia and Gynura procumbens. Area occupied by the aquaponics unit is about 4.5 m2 and it was operated under equatorial climate conditions. Various substrates namely lightweight expanded clay aggregate (LECA), cocopeat, carbonized rice husk and a mixture of cocopeat-rice husk at ratio 1:1 were prepared using polybags for growing of the longevity spinach. The resultant effects from fish cultivation and plants growth on the water qualities and nitrification efficiency of the aquaponics unit were reported. The aquaponics unit were operated for twelve weeks and the values of pH, temperature, and dissolved oxygen level were measured to be within the range of 6.4-6.9, 27.7-29oC, and 5.5-7 mg·L-1, respectively. Survival rate for fish was 98% with specific growth rate (SGR) and food conversion ratio (FCR) of 6.9% per day and 1.13, respectively. Nutrient deficiency was not evident and plants showed healthy growth with harvest yield ranging between 3.6 and 3.9 kg·m-2. Results attained signified the suitability of utilizing carbonized rice husk and cocopeat as alternatives media bed compared to commercial media bed such as LECA. Penerbit Universiti Kebangsaan Malaysia 2020-03 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/15179/1/ARTIKEL%203.pdf Muhd Nazrul Hisham Zainal Alam, and Nur Syahmi Izzati Ali Othman, and Sani Amril Samsudin, and Anwar Johari, and Mimi Haryani Hassim, and Mohd Johari Kamaruddin, (2020) Carbonized rice husk and cocopeat as alternative media bed for aquaponic system. Sains Malaysiana, 49 (3). pp. 483-492. ISSN 0126-6039 http://www.ukm.my/jsm/malay_journals/jilid49bil3_2020/KandunganJilid49Bil3_2020.html |
| spellingShingle | Muhd Nazrul Hisham Zainal Alam, Nur Syahmi Izzati Ali Othman, Sani Amril Samsudin, Anwar Johari, Mimi Haryani Hassim, Mohd Johari Kamaruddin, Carbonized rice husk and cocopeat as alternative media bed for aquaponic system |
| title | Carbonized rice husk and cocopeat as alternative media bed for aquaponic system |
| title_full | Carbonized rice husk and cocopeat as alternative media bed for aquaponic system |
| title_fullStr | Carbonized rice husk and cocopeat as alternative media bed for aquaponic system |
| title_full_unstemmed | Carbonized rice husk and cocopeat as alternative media bed for aquaponic system |
| title_short | Carbonized rice husk and cocopeat as alternative media bed for aquaponic system |
| title_sort | carbonized rice husk and cocopeat as alternative media bed for aquaponic system |
| url | http://journalarticle.ukm.my/15179/ http://journalarticle.ukm.my/15179/ http://journalarticle.ukm.my/15179/1/ARTIKEL%203.pdf |