publication . Article . 2015

Emisión de gases de efecto invernadero de un suelo de chinampa o jardines flotantes en México

Ortiz-Cornejo, Nadia Livia; Luna-Guido, Marco; Rivera-Espinoza, Yadira; Vásquez-Murrieta, María Soledad; Ruíz-Valdiviezo, Víctor Manuel; Dendooven, Luc;
Open Access English
  • Published: 01 Jan 2015
  • Publisher: Centro de Ciencias de la Atmósfera, UNAM
Abstract
Agriculture in chinampas or 'floating gardens', is still found on the south of Mexico City, it is a high yield pre-Columbian cultivation system, which has soils enriched with organic matter. The objective of this research was to determine the greenhouse gas (GHG) emissions from a chinampa soil cultivated with amaranth (Amaranthus hypochondriacus L.), maize (Zea mays L.) or uncultivated. The soil was characterized and fluxes of GHG (CO2, N2O and CH4) were monitored for one year. The chinampa soil was alkaline saline with an organic C content that ranged from 21.7 t/ha in the 0-20 cm layer of the soil cultivated with amaranth to 28.4 t/ha in the 20-40 cm layer of ...
Subjects
free text keywords: GHG, fluxes of carbon dioxide, methane and nitrous oxide, global warming potential, C sequestration, GEI, flujos de dióxido de carbono, metano y óxido nitroso, potencial de calentamiento global, secuestro de carbono
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