Media type: E-Article Title: Yield and quality of sugar snap pea in the Ebro Valley: sowing date and seed density Contributor: Azpilicueta, Miren; Irigoyen, Ignacio; Lasa, Berta; Muro, Julio; Aparicio-Tejo, Pedro M. imprint: FapUNIFESP (SciELO), 2012 Published in: Scientia Agricola Language: Not determined DOI: 10.1590/s0103-90162012000500006 ISSN: 0103-9016 Keywords: Agronomy and Crop Science ; Animal Science and Zoology Origination: Footnote: Access State: Open Access