Now showing items 1-2 of 2

    • Isotopic composition of maize as related to N-fertilization and irrigation in the Mediterranean region 

      Lasa Larrea, Berta Upna Orcid; Irañeta, Iosu; Muro Erreguerena, Julio Upna Orcid; Irigoyen Iriarte, Ignacio Upna Orcid; Aparicio Tejo, Pedro María Upna Orcid (Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, 2011)   Artículo / Artikulua  OpenAccess
      Nitrate leaching as a result of excessive application of N-fertilizers and water use is a major problem of vulnerable regions. The farming of maize requires high N fertilization and water inputs in Spain. Isotopic ...
    • Yield and quality of sugar snap pea in the Ebro Valley: sowing date and seed density 

      Azpilicueta Unanua, Miren Upna; Irigoyen Iriarte, Ignacio Upna Orcid; Lasa Larrea, Berta Upna Orcid; Muro Erreguerena, Julio Upna Orcid; Aparicio Tejo, Pedro María Upna Orcid (Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, 2012)   Artículo / Artikulua  OpenAccess
      Sugar snap pea (Pisum sativum L. var. macrocarpon Ser.) is an edible-podded sweet pea that is being considered as a new totally mechanized crop to supply raw material to the agri-food industry of the Ebro Valley (Northern ...