PRODUCTION OF THE <i>Kappaphycus alvarezii</i> EXTRACT AS A LEAF BIOFERTILIZER: TECHNICAL AND ECONOMIC ANALYSIS FOR THE NORTH COAST OF SÃO PAULO-BRAZIL
The extract of the Kappaphycus alvarezii seaweed is used as a leaf biofertilizer and several studies had proven its efficiency in several crops. This study aimed to analyze the economic viability of fresh seaweed production and the chemically characterized seaweed extract cultivated as a technical-...
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| Format: | Article |
| Language: | English |
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Instituto de Pesca
2020-10-01
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| Series: | Boletim do Instituto de Pesca |
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| Online Access: | https://institutodepesca.org/index.php/bip/article/view/1504 |
| _version_ | 1797214628015505408 |
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| author | Valeria Cress GELLI Marco Túlio Ospina PATINO Jansle Vieira ROCHA Edison BARBIERI Kleber Campos MIRANDA-FILHO Marcelo Barbosa HENRIQUES |
| author_facet | Valeria Cress GELLI Marco Túlio Ospina PATINO Jansle Vieira ROCHA Edison BARBIERI Kleber Campos MIRANDA-FILHO Marcelo Barbosa HENRIQUES |
| author_sort | Valeria Cress GELLI |
| collection | DOAJ |
| description |
The extract of the Kappaphycus alvarezii seaweed is used as a leaf biofertilizer and several studies had proven its efficiency in several crops. This study aimed to analyze the economic viability of fresh seaweed production and the chemically characterized seaweed extract cultivated as a technical-economic alternative for coastal communities. Yields of the solid and liquid fractions were quantified, the extract was characterized in its chemical composition of macronutrients and micronutrients and it was classified according to the criteria of the Brazilian legislation of agricultural fertilizers. For the study of economic feasibility, different sales price scenarios were considered and compared with the commercialization of fresh seaweed. The average yield obtained from the processing of the Brazilian adapted strains of the K. alvarezii for the liquid fraction or fresh seaweed extract was 0.71 ± 0.0080 L kg-1 and the moisture solid production was 295 ± 0.0126 g kg-1. The production of fresh seaweed was unfeasible and for the handmade extract was economically viable for the scenario with the sale price of US$ 2.77 with a net present value of US$ 35,300.13 and an internal rate of return (IRR) of 38.99% over ten year.
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| first_indexed | 2024-04-24T11:17:11Z |
| format | Article |
| id | doaj.art-7d805ba79b804ee98522e3f1517f328b |
| institution | Directory Open Access Journal |
| issn | 1678-2305 |
| language | English |
| last_indexed | 2024-04-24T11:17:11Z |
| publishDate | 2020-10-01 |
| publisher | Instituto de Pesca |
| record_format | Article |
| series | Boletim do Instituto de Pesca |
| spelling | doaj.art-7d805ba79b804ee98522e3f1517f328b2024-04-11T05:52:48ZengInstituto de PescaBoletim do Instituto de Pesca1678-23052020-10-01462PRODUCTION OF THE <i>Kappaphycus alvarezii</i> EXTRACT AS A LEAF BIOFERTILIZER: TECHNICAL AND ECONOMIC ANALYSIS FOR THE NORTH COAST OF SÃO PAULO-BRAZILValeria Cress GELLI0Marco Túlio Ospina PATINO1Jansle Vieira ROCHA2Edison BARBIERI3Kleber Campos MIRANDA-FILHO4Marcelo Barbosa HENRIQUES5Instituto de Pesca - Agência Paulista Tecnológica dos Agronegócios (IP-APTA)Universidade Estadual de Campinas - Faculdade de Engenharia Agrícola (UNICAMP - FEAGRI)Universidade Estadual de Campinas - Faculdade de Engenharia Agrícola (UNICAMP - FEAGRI)Instituto de Pesca - Agência Paulista Tecnológica dos Agronegócios (IP-APTA).Universidade Federal de Minas Gerais - UFMG, Departamento de ZootecniaInstituto de Pesca - Agência Paulista Tecnológica dos Agronegócios (IP-APTA) The extract of the Kappaphycus alvarezii seaweed is used as a leaf biofertilizer and several studies had proven its efficiency in several crops. This study aimed to analyze the economic viability of fresh seaweed production and the chemically characterized seaweed extract cultivated as a technical-economic alternative for coastal communities. Yields of the solid and liquid fractions were quantified, the extract was characterized in its chemical composition of macronutrients and micronutrients and it was classified according to the criteria of the Brazilian legislation of agricultural fertilizers. For the study of economic feasibility, different sales price scenarios were considered and compared with the commercialization of fresh seaweed. The average yield obtained from the processing of the Brazilian adapted strains of the K. alvarezii for the liquid fraction or fresh seaweed extract was 0.71 ± 0.0080 L kg-1 and the moisture solid production was 295 ± 0.0126 g kg-1. The production of fresh seaweed was unfeasible and for the handmade extract was economically viable for the scenario with the sale price of US$ 2.77 with a net present value of US$ 35,300.13 and an internal rate of return (IRR) of 38.99% over ten year. https://institutodepesca.org/index.php/bip/article/view/1504macroalgae;Seaweed Liquid Fertilizers (SLF);mariculture;economic feasibility. |
| spellingShingle | Valeria Cress GELLI Marco Túlio Ospina PATINO Jansle Vieira ROCHA Edison BARBIERI Kleber Campos MIRANDA-FILHO Marcelo Barbosa HENRIQUES PRODUCTION OF THE <i>Kappaphycus alvarezii</i> EXTRACT AS A LEAF BIOFERTILIZER: TECHNICAL AND ECONOMIC ANALYSIS FOR THE NORTH COAST OF SÃO PAULO-BRAZIL Boletim do Instituto de Pesca macroalgae; Seaweed Liquid Fertilizers (SLF); mariculture; economic feasibility. |
| title | PRODUCTION OF THE <i>Kappaphycus alvarezii</i> EXTRACT AS A LEAF BIOFERTILIZER: TECHNICAL AND ECONOMIC ANALYSIS FOR THE NORTH COAST OF SÃO PAULO-BRAZIL |
| title_full | PRODUCTION OF THE <i>Kappaphycus alvarezii</i> EXTRACT AS A LEAF BIOFERTILIZER: TECHNICAL AND ECONOMIC ANALYSIS FOR THE NORTH COAST OF SÃO PAULO-BRAZIL |
| title_fullStr | PRODUCTION OF THE <i>Kappaphycus alvarezii</i> EXTRACT AS A LEAF BIOFERTILIZER: TECHNICAL AND ECONOMIC ANALYSIS FOR THE NORTH COAST OF SÃO PAULO-BRAZIL |
| title_full_unstemmed | PRODUCTION OF THE <i>Kappaphycus alvarezii</i> EXTRACT AS A LEAF BIOFERTILIZER: TECHNICAL AND ECONOMIC ANALYSIS FOR THE NORTH COAST OF SÃO PAULO-BRAZIL |
| title_short | PRODUCTION OF THE <i>Kappaphycus alvarezii</i> EXTRACT AS A LEAF BIOFERTILIZER: TECHNICAL AND ECONOMIC ANALYSIS FOR THE NORTH COAST OF SÃO PAULO-BRAZIL |
| title_sort | production of the i kappaphycus alvarezii i extract as a leaf biofertilizer technical and economic analysis for the north coast of sao paulo brazil |
| topic | macroalgae; Seaweed Liquid Fertilizers (SLF); mariculture; economic feasibility. |
| url | https://institutodepesca.org/index.php/bip/article/view/1504 |
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