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Document Type: Artigo
Title: Fertilization and colors of plastic mulch affect biomass and essential oil of sweet-scented geranium
Authors: Silva, Anderson de Carvalho
Blank, Arie Fitzgerald
Santos, Wallace Melo dos
Prata, Paloma Santana
Alves, Péricles Barreto
Arrigoni-Blank, Maria de Fátima
Issue Date: Mar-2014
Abstract: Sweet-scented geranium (Pelargonium graveolens L’Hér), a plant belonging to the Geraniaceae family, has medicinal and aromatic properties and is widely used in the cosmetic, soap, perfume, aromatherapy, and food industries. The aim of this study was to evaluate the influence of fertilization and the use of different colors of plastic mulch on sweet-scented geranium biomass and essential oil. Three colors of plastic mulch (black, white, and silver-colored) and a control without plastic mulch were assessed along with three fertilizers (20,000 L·ha−1 of cattle manure; 1,000 kg·ha−1 of NPK 3-12-6; and 20,000 L·ha−1 of cattle manure + 1,000 kg·ha−1 of NPK 3-12-6 fertilizer) and a control without fertilizer. The absence of a soil cover negatively influenced the agronomical variables, while coverage with plastic mulch was associated with increased biomass. The use of fertilizer had no effect on the evaluated agronomic variables. When cattle manure and NPK 3-12-6 were used together, combined with white or black plastic mulch, the highest yields of essential oil were obtained. For the silver-colored plastic mulch, higher amounts of essential oil (6,9-guaiadien) were obtained with mineral fertilizer.
Keywords: Plastic mulch
Sweet-scented geranium
Essential oil
Óleos essenciais
ISSN: 1537-744X
Publisher / Institution : Hindawi Publishing Corporation
Citation: SILVA, A. S. et al. Fertilization and colors of plastic mulch affect biomass and essential oil of sweet-scented geranium. The Scientific World Journal, v. 2014, mar. 2014. Disponível em: <>. Acesso em: 13 jan. 2016.
License: Creative Commons Attribution License
Appears in Collections:DEA - Artigos publicados em periódicos

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