Agronomic performance and optimal ranges of attributes of substrates with biochar from anaerobic sewage sludge for black wattle (Acacia mearnsii) seedlings
Purpose The objective was to evaluate the agronomic performance of black wattle seedlings (Acacia mearnsii) grown on substrates with increasing proportions of biochar based on anaerobic sewage sludge (ASS-biochar). In addition, the present study proposed appropriate ranges for the main physical-hydr...
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| Format: | Article |
| Language: | English |
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Islamic Azad University-Isfahan (Khorasgan) Branch- Iran
2021-09-01
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| Series: | International Journal of Recycling of Organic Waste in Agriculture |
| Subjects: | |
| Online Access: | http://ijrowa.khuisf.ac.ir/article_683176_d885fea9375ddf2771616109b16014a4.pdf |
| _version_ | 1797370254977925120 |
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| author | Alex Monteiro Adilson Bamberg Ivan Pereira Cristiane Stöcker Luís Timm |
| author_facet | Alex Monteiro Adilson Bamberg Ivan Pereira Cristiane Stöcker Luís Timm |
| author_sort | Alex Monteiro |
| collection | DOAJ |
| description | Purpose The objective was to evaluate the agronomic performance of black wattle seedlings (Acacia mearnsii) grown on substrates with increasing proportions of biochar based on anaerobic sewage sludge (ASS-biochar). In addition, the present study proposed appropriate ranges for the main physical-hydraulic and chemical attributes of these substrates. Method The evaluated substrates included ten substrates with increasing proportions of ASS-biochar, combined with a “standard” mixture (organic compost, carbonized rice husk and vermiculite), in addition to three commercial substrates (references). The experimental design was randomized blocks, with four replications and eight plants per repetition. The physical-hydraulic and chemical attributes evaluated in all substrate formulations were: wet and dry density, total porosity, aeration space, easily available water, buffering water, available water, remaining water, pH and electrical conductivity (EC). The agronomic performance of the black wattle seedlings was evaluated through plant height, length of the root system, neck diameter, dry mass of aerial parts, dry mass of roots and Dickson's quality index. Results Biochar from anaerobic sewage sludge increased the chemical and physical-hydraulic quality of the substrates, particularly within the proportion of 45-50% of the substrate formulations, and thus positively affected the growth parameters of the black wattle plants. Conclusion The biochar produced from anaerobic sewage sludge is an efficient raw material to compose substrates for the production of seedlings. Transformation of anaerobic sewage sludge into biochar and its combination with other locally available raw materials can be considered a safe way of reusing this residue in agriculture. |
| first_indexed | 2024-03-08T17:59:41Z |
| format | Article |
| id | doaj.art-e82a3afad6984340b95d609d47197297 |
| institution | Directory Open Access Journal |
| issn | 2195-3228 2251-7715 |
| language | English |
| last_indexed | 2024-03-08T17:59:41Z |
| publishDate | 2021-09-01 |
| publisher | Islamic Azad University-Isfahan (Khorasgan) Branch- Iran |
| record_format | Article |
| series | International Journal of Recycling of Organic Waste in Agriculture |
| spelling | doaj.art-e82a3afad6984340b95d609d471972972024-01-02T03:08:23ZengIslamic Azad University-Isfahan (Khorasgan) Branch- IranInternational Journal of Recycling of Organic Waste in Agriculture2195-32282251-77152021-09-0110329730810.30486/ijrowa.2021.1898015.1061683176Agronomic performance and optimal ranges of attributes of substrates with biochar from anaerobic sewage sludge for black wattle (Acacia mearnsii) seedlingsAlex Monteiro0Adilson Bamberg1Ivan Pereira2Cristiane Stöcker3Luís Timm4Universidade Federal de Pelotas, Faculdade de Agronomia Eliseu Maciel, Departamento de Solos, Av. Eliseu Maciel, s/n, CEP 96050-500, Capão do Leão, Rio Grande do Sul State, BrazilEmbrapa Clima Temperado, Rodovia BR 392, km 78, 9º Distrito - Monte Bonito, CEP 96010-971, Pelotas, Rio Grande do Sul State, BrazilUniversidade Federal de Pelotas, Faculdade de Agronomia Eliseu Maciel, Departamento de Solos, Av. Eliseu Maciel, s/n, CEP 96050-500, Capão do Leão, Rio Grande do Sul State, BrazilUniversidade Federal de Pelotas, Faculdade de Agronomia Eliseu Maciel, Departamento de Fitotecnia, Av. Eliseu Maciel, s/n, CEP 96050-500, Capão do Leão, Rio Grande do Sul State, BrazilUniversidade Federal de Pelotas, Faculdade de Agronomia Eliseu Maciel, Departamento de Engenharia Rural, Av. Eliseu Maciel, s/n, CEP 96050-500, Capão do Leão, Rio Grande do Sul State, BrazilPurpose The objective was to evaluate the agronomic performance of black wattle seedlings (Acacia mearnsii) grown on substrates with increasing proportions of biochar based on anaerobic sewage sludge (ASS-biochar). In addition, the present study proposed appropriate ranges for the main physical-hydraulic and chemical attributes of these substrates. Method The evaluated substrates included ten substrates with increasing proportions of ASS-biochar, combined with a “standard” mixture (organic compost, carbonized rice husk and vermiculite), in addition to three commercial substrates (references). The experimental design was randomized blocks, with four replications and eight plants per repetition. The physical-hydraulic and chemical attributes evaluated in all substrate formulations were: wet and dry density, total porosity, aeration space, easily available water, buffering water, available water, remaining water, pH and electrical conductivity (EC). The agronomic performance of the black wattle seedlings was evaluated through plant height, length of the root system, neck diameter, dry mass of aerial parts, dry mass of roots and Dickson's quality index. Results Biochar from anaerobic sewage sludge increased the chemical and physical-hydraulic quality of the substrates, particularly within the proportion of 45-50% of the substrate formulations, and thus positively affected the growth parameters of the black wattle plants. Conclusion The biochar produced from anaerobic sewage sludge is an efficient raw material to compose substrates for the production of seedlings. Transformation of anaerobic sewage sludge into biochar and its combination with other locally available raw materials can be considered a safe way of reusing this residue in agriculture.http://ijrowa.khuisf.ac.ir/article_683176_d885fea9375ddf2771616109b16014a4.pdfacacia mearnsiigrowing mediabiosolidsagricultural substrates |
| spellingShingle | Alex Monteiro Adilson Bamberg Ivan Pereira Cristiane Stöcker Luís Timm Agronomic performance and optimal ranges of attributes of substrates with biochar from anaerobic sewage sludge for black wattle (Acacia mearnsii) seedlings International Journal of Recycling of Organic Waste in Agriculture acacia mearnsii growing media biosolids agricultural substrates |
| title | Agronomic performance and optimal ranges of attributes of substrates with biochar from anaerobic sewage sludge for black wattle (Acacia mearnsii) seedlings |
| title_full | Agronomic performance and optimal ranges of attributes of substrates with biochar from anaerobic sewage sludge for black wattle (Acacia mearnsii) seedlings |
| title_fullStr | Agronomic performance and optimal ranges of attributes of substrates with biochar from anaerobic sewage sludge for black wattle (Acacia mearnsii) seedlings |
| title_full_unstemmed | Agronomic performance and optimal ranges of attributes of substrates with biochar from anaerobic sewage sludge for black wattle (Acacia mearnsii) seedlings |
| title_short | Agronomic performance and optimal ranges of attributes of substrates with biochar from anaerobic sewage sludge for black wattle (Acacia mearnsii) seedlings |
| title_sort | agronomic performance and optimal ranges of attributes of substrates with biochar from anaerobic sewage sludge for black wattle acacia mearnsii seedlings |
| topic | acacia mearnsii growing media biosolids agricultural substrates |
| url | http://ijrowa.khuisf.ac.ir/article_683176_d885fea9375ddf2771616109b16014a4.pdf |
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