Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.5/1160
Título: Contribuição para o estudo da aplicação de subprodutos da indústria de extracção de azeite em solos agrícolas. Efeito sobre alguns parâmetros quimicos indicadores do estado de fertilidade do solo, o estado de nutrição e produtividade de algumas culturas
Outros títulos: Contribution to the study of olive mill by-products application to agricultural soils. Effect on various chemical parameters related to soil fertility, plant nutrition and the productivity of some crops
Autor: Aires, Cristina Maria Gomes Leite Sempiterno
Orientador: Pinto, Francisco Cardoso
Calouro, Maria de Fátima de Sousa
Palavras-chave: olive mill wastewater
two phase olive mill waste
olive wet pomace
soil application
água-ruça
bagaço de duas fases
aplicação ao solo
hordeum vulgare
olea europaea
Data de Defesa: 2007
Resumo: The aims of this study were to contribute to a better knowledge of the effects of land application of olive mill wastewater (OMW) and two-phase olive mill waste (TPOMW) and, also, to obtain data necessary for the development of the best practices concerning the application of those by-products to agricultural soils. Several trials were set-up: (i) incubation trials on four different soils (VReu, CMhu, LVfr and CMca); (ii) seed germination tests and (iii) greenhouse pot trials on two soils (CMca and CMdy), using barley as test plant; (iv) a field trial was established on an olive grove located in a calcaric Cambisol, near Santarém, were the application of 80, 160 and 240 m3/ha·year of OMW was evaluated along three years. In conclusion, the controlled application of OMW and TPOMW to agricultural soils can be an adequate option for these wastes, as it causes neither acidification nor salinisation of the soil. In addition, the yield and the quality of the crop are also not affected. The Portuguese legislation concerning the agricultural use of OMW should be revised, as it imposes some unnecessary limitations, in the author’s opinion. On the other hand special attention should be given to the fact that these wastes lead to a decrease on the nitrate levels in soil.
Descrição: Doutoramento em Engenharia Agronómica - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/1160
Aparece nas colecções:BISA - Teses de Doutoramento / Doctoral Thesis

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