Browsing NIBIO Brage by Author "Rueda-Ayala, Victor"
Now showing items 1-7 of 7
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Allelopathic properties of Calliandra haematocephala Hassk. extracts and fractions as an alternative for weed management in quinoa and rice crops
Rueda-Ayala, Victor; Ramos-Guerrero, Luis A; Vargas-Jentzsch, Paul; Hernández, Betty; Höglind, Mats; Andújar, Dionisio (Peer reviewed; Journal article, 2020-03-30)In this study, aqueous extracts of Calliandra haematocephala Hassk. leaves and inflorescences were tested on seeds of quinoa (Chenopodium album L.) and rice (Oryza sativa L.), and on some of the most noxious-associated ... -
Automatic adjustment of harrowing intensity in cereals using digital image analysis
Gerhards, Roland; Späth, Michael; Sökefeld, Markus; Peteinatos, Gerassimos G.; Nabout, Adnan; Rueda-Ayala, Victor (Peer reviewed; Journal article, 2020-11-24)Precision farming technologies were implemented into a commercial harrow to increase selectivity of weed harrowing in spring cereals. Digital cameras were mounted before and after the harrow measuring crop cover. Crop soil ... -
Comparing UAV-Based Technologies and RGB-D Reconstruction Methods for Plant Height and Biomass Monitoring on Grass Ley
Rueda-Ayala, Victor; Peña, José M.; Mats, Höglind; Bengochea-Guevara, José M.; Andújar, Dionisio (Journal article; Peer reviewed, 2019-01-29) -
Evaluation of Vineyard Cropping Systems Using On-Board RGB-Depth Perception
Moreno, Hugo; Rueda-Ayala, Victor; Ribeiro, Angela; Bengochea-Guevara, Jose; López, Juan; Peteinatos, Gerassimos; Valero, Constantino; Andújar, Dionisio (Peer reviewed; Journal article, 2020-12-03)A non-destructive measuring technique was applied to test major vine geometric traits on measurements collected by a contactless sensor. Three-dimensional optical sensors have evolved over the past decade, and these ... -
Genetic yield gains of winter wheat in Germany over more than 100 years (1895-2007) under contrasting fertilizer applications
Ahrends, Hella Ellen; Eugster, Werner; Gaiser, Thomas; Rueda-Ayala, Victor; Hüging, H.; Ewert, F.; Siebert, Stefan (Journal article; Peer reviewed, 2018-09-27)For highly productive regions such as Germany, the increase of wheat grain yields observed throughout the 20th century is largely attributed to the progress in crop breeding and agronomic management. However, several studies ... -
Nutrient supply affects the yield stability of major European crops—a 50 year study
Ahrends, Hella Ellen; Siebert, Stefan; Rezaei, Ehsan Eyshi; Seidel, Sabine Julia; Hüging, Hubert; Frank, Ewert; Döring, Thomas; Rueda-Ayala, Victor; Eugster, Werner; Gaiser, Thomas (Peer reviewed; Journal article, 2020-12-18)Yield stability is important for food security and a sustainable crop production, especially under changing climatic conditions. It is well known that the variability of yields is linked to changes in meteorological ... -
Resultater av offisiell verdiprøving i fôrvekster 2021 Sorter som er ferdig testet. Revidert utgave
Rueda-Ayala, Victor; Østrem, Liv; Dalmannsdottir, Sigridur; Drozdik, Isak (NIBIO-rapport;8(9) 2021, Research report, 2022-01)Dette er en forvaltningsoppgave som gjennomføres på oppdrag fra Mattilsynet (www.mattilsynet.no). Målet er å framskaffe resultater for godkjenning av nye sorter for opptak på offisiell norsk sortsliste. Prøvingen er en ...