Data/hora: 09/06/2024 13:51:04

Provedor de dados: | Acta Scientiarum: Agronomy
País: | Brazil
Título: | Forage yield and quality of marandugrass fertigated with treated sewage wastewater and mineral fertilizer
Autores: | Santos, Gilmar Oliveira; Faria, Rogério Teixeira de; Rodriguês, Gilberto Aparecido; Dantas, Geffson de Figueredo; Dalri, Alexandre Barcellos; Palaretti, Luiz Fabiano.
Data: | 2017-08-11
Ano: | 2017
Palavras-chave: | 5.03.02.00-0 wastewater; Irrigation; Pasture; Forage quality. Engenharia de Água e Solo.
Resumo: | The high consumption of water in irrigated agriculture and lack of alternative water sources make reusing sewage water a highly promising option for irrigation. This paper is aimed at evaluating Brachiaria brizantha cv. Marandu forage quality and yield when fertigated with treated sewage wastewater (TSW) and mineral fertilizer, in the 2013 and 2014 crop years in Jaboticabal, São Paulo State, Brazil. A homogeneous water depth was applied using a triple-line sprinkling irrigation system under a gradual TSW application, using the following TSW and water ratios: E5 = 1.0; E4 = 0.87; E3 = 0.6; E2 = 0.31, E1 = 0.11, and E0 = 0.0. Annual biomass yield increased with the TSW application, ranging from 31.3 to 47.4 Mg ha-1 in 2013 and from 25.7 to 56.9Mg ha-1 in 2014, for E1 and E5, respectively. Forage yield had marked seasonality, with the highest values in summer (35.9 to 44.7%) and spring (35.7 to 38.4%) and the lowest ones during the fall-winter seasons (19.6 to 25.7%). Despite the high nitrogen rates (1,132 kg ha-1), maximum forage yield was not achieved, hence further nitrogen increments would still enhance yield. Forage improved quality has counterbalanced the low fall-winter yields in terms of crude protein (CP) and neutral detergent fibre (NDF).
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês

Identificador:

http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32828

10.4025/actasciagron.v39i4.32828

Editor: | Universidade Estadual de Maringá
Relação: | http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32828/pdf
Formato: | application/pdf

Fonte:

Acta Scientiarum. Agronomy; v. 39, n. 4 (2017); 515-523

Acta Scientiarum. Agronomy; v. 39, n. 4 (2017); 515-523

1807-8621

1679-9275

Fonte: | Direitos autorais 2017 Acta Scientiarum. Agronomy