Data/hora: 04/06/2024 17:10:20

Biblioteca(s): | Embrapa Agrossilvipastoril; Embrapa Florestas; Embrapa Unidades Centrais.
Data corrente: | 10/11/2016
Data da última atualização: | 10/11/2016
Autoria: | REZENDE, F. A. de; SANTOS, V. A. H. F. dos; MAIA, C. M. B. de F.; MORALES, M. M.
Afiliação: | FABIANA ABREU DE REZENDE, CPAMT; VICTOR ALEXANDRE HARDT FERREIRA DOS SANTOS, INPA; CLAUDIA MARIA BRANCO DE F MAIA, CNPF; MARINA MOURA MORALES, CNPF.
Título: | Biochar in substrate composition for production of teak seedlings
Ano de publicação: | 2016
Fonte/Imprenta: | Pesquisa agropecuária brasileira, Brasília, v.51, n.9, p.1449-1456, set. 2016

Idioma:

Inglês
Português

Conteúdo: | The objective of this work was to evaluate the development and quality of clonal seedlings of teak (Tectona grandis) grown in substrate with two types of biochar. The assay was carried out in a randomized complete block design, with ten treatments and four replicates: CS, commercial substrate, composed of pine bark and vermiculite at a ratio of 4:1; NS, nursery substrate composed of carbonized rice husk and coconut fiber at 1:1; and the remaining treatments were composed of the inclusions of biochar (BC) or activated biochar (BCA) in the CS, at the proportions of 25, 50, 75, and 100%. The development and quality parameters of seedlings were evaluated 90 days after striking the minicuttings in the substrates. BCA substrate additions at 25, 50, and 100% allowed for a development of height and stem diameter comparable to that of the NS. Biochar without the activation procedure does not improve quality parameters of seedlings, in comparison with the commercial substrate. The use of 25% activated biochar added to the commercial substrate is enough to improve seedling growth performance to the same level as that provided by the already validated NS.
Palavras-Chave: | Agroindustrial waste; Pirólise; Qualidade de mudas; Resíduo agroindustrial; Seedling quality.
Thesagro: | Tectona Grandis.
Thesaurus Nal: | biochar; Pyrolysis.
Categoria do assunto: | --
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/150770/1/Biochar-in-substrate-composition.pdf
Registro original: | Embrapa Agrossilvipastoril (CPAMT)

Exemplares:

CPAMT - (576-1) - UPC - AP - DD -  -  -  - DIS
AI-SEDE - (60221-1) - UPE - AP - PP - 630.72081 - P474 -  - DIS
CNPF - (55514-1) - UPC - AP - PP -  -  -  - DIS