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Mostrando ítems 21-26 de 26

    • Predicting soil test phosphorus decrease in non-P-fertilized conditions 

      Appelhans, Stefania Carolina; Carciochi, Walter Daniel; Correndo, Adrián A.; Gutierrez Boem, Flavio Hernán; Salvagiotti, Fernando; García, Fernando O.; Melchiori, Ricardo Jose; Barbagelata, Pedro Anibal; Ventimiglia, Luis Alberto; Ferraris, Gustavo Nestor; Vivas, Hugo Silverio; Caviglia, Octavio; Ciampitti, Ignacio A. (Wiley, 2020-02)
      Monitoring the availability of phosphorus (P) in soil under continuous cropping facilitates finding deficiency in crops and contributes to improving crop growth and nutrient management models. Soil P availability for crops ...

    • Spatio-Temporal Nitrogen Fertilizer Response in Maize: Field Study and Modeling Approach 

      Albarenque, Susana; Basso, Bruno; Caviglia, Octavio; Melchiori, Ricardo Jose (American Society of Agronomy, 2016)
      Maize (Zea mays L.) yield and its response to nitrogen (N) are affected by the spatial variability of the interaction between weather, management, and soil properties. The objectives of this study were (i) to evaluate the ...

    • Stover quality and soil organic carbon in long-term nitrogen-fertilized maize 

      Melchiori, Ricardo Jose; Novelli, Leonardo Esteban; Gregorutti, Viviana Carolina; Caviglia, Octavio (Alliance of Crop, Soil, and Environmental Science Societies, 2014-09)
      Nitrogen fertilization often increases maize (Zea mays L.) grain yield but reduces the C/N ratio of stover returned to the soil, which may affect the soil organic carbon (SOC) balance. This study evaluated the long-term ...

    • Variabilidad espacial de la co-limitación de agua y nitrógeno, efecto sobre la eficiencia de uso de agua y nitrógeno en maíz 

      Albarenque, Susana (Facultad de Agronomía, Universidad de Buenos Aires, 2015-08)
      El rendimiento en grano del cultivo de maíz (Zea mays L.) se encuentra principalmente limitado por agua y nitrógeno (N), presentando la oferta de ambos recursos una importante variabilidad espacial y temporal. Debido a ...

    • Vertical distribution of root biomass and soil carbon stocks in forage cropping systems 

      Ojeda, Jonathan Jesus; Caviglia, Octavio; Agnusdei, Monica Graciela (Springer, 2018-02)
      Background and aims: Forage cropping systems may differentially affect the vertical distribution of roots and soil organic C stock (C-OM). In annual crops sequences (ACS) and perennial pastures (PP), we assessed the ...

    • Water and solar radiation productivity of double-crops in a humid temperate area 

      Van Opstal, Natalia Veronica; Caviglia, Octavio; Melchiori, Ricardo Jose (Southern Cross Publishing, 2011-12)
      The intensification of agricultural systems including sequential double-crops provides a reliable platform to increase the water and solar radiation use in many humid temperate areas of South America, which are predominantly ...