Residual production of pineapple biomass under different levels of nitrogen and potassium in northwestern Paraná

• Autor(a) principal: Vicentini, Maria Elisa
• Data de Publicação: 2015
• Outros Autores: Caramori, Paulo Henrique, Carvalho, Sergio Luiz Colucci de, Gil, Luciano Grillo, Spinosa, Wilma Aparecida, Zaro, Geovanna Cristina, Ricce, Wilian da Silva, Detoni, Alessandra Maria
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Semina. Ciências Agrárias (Online)
• Texto Completo: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/18449
• topic: Biofuel; Crop remains; Ananas comosus; Fertilization.; Biocombustível; Resto cultural; Ananas comosus; Adubação.

Emphasis on studies that seek sustainable energy alternatives to oil has increased over the last few years. Ethanol derived from sugarcane remains a promising technology for biofuel production. Waste from pineapple culture remains is a potential alternative raw material for biofuel production. The goal of this study was to determine the potential of residual biomass production of a pineapple crop, subjected to fertilization by different levels of nitrogen and potassium. The experiment was conducted in Northwest Paraná, in a commercial area in Santa Isabel do Ivaí-PR. The climate in this area is subtropical humid according to the Köppen classification, and has a sandy dystrophic red acrisol.The experimental design was a 4 × 4 factorial, where factor A:N doses (0; 11; 22; and 33 g per plant) and factor B:K2O doses (0; 11; 22; and 33 g per plant. The production of residual pineapple biomass responded differently to the N and K doses applied. Potassium fertilization had a positive linear correlation, up to the addition of 33 g plant-1 with a production of 5.88 Mg ha-1. A dose of 18.138 g plant-1 yielded in the maximum dry biomass production for nitrogen fertilization.