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Memorias de investigación
Ponencias en congresos:
Nitrogen soil mapping through crop growth, after application of wine-destillery waste compost in vulnerable zones.
Año:2019
Áreas de investigación
  • Reciclaje de residuos
Datos
Descripción
The winery industry in Mediterranean area is accompanied by the generation of big amounts of wastes from the wineries and distilleries. The recycling of these materials as source of organic matter and nutrients is a good option of management. The agricultural use of exhausted grape marc after composting is a good option in the circular economy context. Recently, there is a research line on the use of this waste as a contribution in nitrogen. However, the effect in the short and medium term depends both on the amount of waste applied and on the speed of mineralization of the organic nitrogen contained therein, which implies that it can be assimilated by the crops. Knowledge of the behavior of this process is important in vulnerable areas where a large amount of assimilable nitrogen already exists in the soil and in the irrigation water, with the environmental risk that this entails. In this work, the contribution of nitrogen from three doses of pomace compost in two successive crops was evaluated over three years (2013-2015). The first crop was melon, cultivated under dip-irrigation and the second one was a rainfed cereal (wheat) as a reference. Relative entropy (E(?)) parameter was used to investigate the residual effects of fertigation treatments applied to a previous crop (melon) on wheat and grain biomass. The wheat crop covered nine subplots from a previous experiment on melon responses to fertigation. Each subplot had previously received a different level of applied nitrogen (Napp), and the plants from the previous melon crop had already taken up part of it. Many factors affect these variables, causing them to vary at different scales and creating a non-uniform distribution along a transect. Correlations between the two variables and Napp showed high volatility. A discussion on the utility of using a cover crop as a reference for the use of Nitrogen is exposed
Internacional
Si
Nombre congreso
European Geosciences Union General Assembly 2019 [https://egu2019.eu/]
Tipo de participación
960
Lugar del congreso
Viena
Revisores
Si
ISBN o ISSN
1607-7962
DOI
Fecha inicio congreso
07/04/2019
Fecha fin congreso
12/04/2019
Desde la página
19112
Hasta la página
19112
Título de las actas
Geophysical Research Abstracts,Vol 21,EGU 2019 [www.geophysical-research-abstracts.net]
Esta actividad pertenece a memorias de investigación
Participantes
  • Autor: Raquel Villena Gordo (UPM)
  • Autor: María Carmen Cartagena Causapé (UPM)
  • Autor: María Teresa Castellanos Serrano (UPM)
  • Autor: Augusto Arce Martínez (UPM)
  • Autor: Ana María Tarquis Alfonso (UPM)
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Grupo de Investigación: Sistemas de producción y protección vegetal sostenibles
  • Departamento: Producción Agraria
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