Data/hora: 19/06/2024 05:08:53

Biblioteca(s): | Embrapa Mandioca e Fruticultura.
Data corrente: | 30/10/2015
Data da última atualização: | 18/05/2023
Autoria: | BOECHAT, C. L.; RIBEIRO, M. de; BOMFIM, M. R.; BITTENCOURT, N. S.; ACCIOLY, A. M. de A.; SANTOS, J. A. G.
Afiliação: | CÁCIO LUIZ BOECHAT, UFPI; MARCOS DE OLIVEIRA RIBEIRO, UFRB; MARCELA REBOUÇAS BOMFIM, UFRB; NAFEZ SOUZA BITTENCOURT, CNPMF; ADRIANA MARIA DE AGUIAR ACCIOLY, CNPMF; JORGE ANTONIO GONZAGA SANTOS, UFRB.
Título: | Sewage sludges in physic nut seedlings macronutrient contents and chemical attributes of soil.
Ano de publicação: | 2015
Fonte/Imprenta: | Bioscience Journal , v. 31, n. 5, p. 1378-1387, Sept./Oct. 2015.
ISSN: | 1981-3163
Idioma: | Inglês
Conteúdo: | Ever since the government began providing incentives for biofuel production, physic nut has appeared to be a promising plant, due to the high oil content of the seeds. The purpose of this study was to evaluate the nutrition of physic nut seedlings and changes in the chemical attributes of soil, based on the doses of domestic and industrial sewage sludge. Two experiments were conducted in a design with casualized blocks with four replicates using samples of a ?Latossolo Amarelo? that received five doses of each sludge, equivalent to 0; 100; 150; 200 and 300 kg N total ha-1. The domestic sewage sludge raised the calcium and magnesium contents in the dry mass of the aerial part and root, and nitrogen and phosphorus in the dry mass of the aerial part of physic nut seedlings, whereas the industrial sludge raised the calcium and nitrogen in the dry mass of the aerial part and root of the physic seedlings, but did not affect the phosphorus, nitrogen, magnesium and potassium contents in the dry mass of the aerial part and root. The domestic sludge did not alter the soil pH but raised the amounts of phosphorus, calcium + magnesium, cation exchange capacity, organic matter and reduced the exchangeable aluminum, while the industrial one raised the pH and the cation exchange capacity of the soil, increased the amounts of phosphorus, calcium + magnesium, and organic matter and reduced the exchangeable aluminum present in the soil. The domestic and industrial sludges may be used to produce physic nut seedlings; however is necessary studies to evaluate the presence of heavy metals or potentially pathogenic microorganisms.
Thesagro: | Jatropha Curcas; Rede de esgoto; Solo.
Thesaurus Nal: | Organic wastes; Plant nutrition.
Categoria do assunto: | X Pesquisa, Tecnologia e Engenharia
Registro original: | Embrapa Mandioca e Fruticultura (CNPMF)
Exemplares: | CNPMF - (30900-1) - UPC - AP - DD - Publicação digital -  -  - DIS