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Mostrando ítems 1-20 de 30

    • Agricultura de precisión: dosis variable de fósforo en soja (Glycine max (L.) Merr.) 

      Peralta, Nahuel Raúl; Trueba, Martín; Wyngaard, Nicolás; Córdoba, Mariano; Sallesses, Leonardo Fabian (Asociación Argentina de la Ciencia del Suelo, 2021-07)
      La agricultura de precisión (AP) permite delimitar zonas de manejo (ZM) que expresan diferente potencial de rendimiento. Los objetivos de esta investigación fueron: (l) Determinar la interacción entre las ZM y la fertilización ...

    • Anaerobically incubated nitrogen improved nitrogen diagnosis in corn 

      Orcellet, Juan Manuel; Sainz Rozas, Hernan Rene; Wyngaard, Nicolás; Echeverria, Hernan Eduardo; Reussi Calvo, Nahuel Ignacio (2017)
      Current N diagnostic methods for corn (Zea mays L.) are often based on the nitrate nitrogen (NO3 ––N) concentration before planting (pre-plant nitrate test, PPNT) and nitrate nitrogen (NO3––N) concentration at V6 stage ...

    • Analysis of factors controlling maize yield response to hairy vetch and to nitrogen fertilization after hairy vetch 

      Carciocchi, Walter Daniel; Cafaro La Menza, Nicolás; Crespo, Cecilia; Domínguez, Germán; Rodríguez, M.P.; Reussi Calvo, Nahuel Ignacio; Wyngaard, Nicolás; Sainz Rozas, Hernan Rene; Studdert, Guillermo; Barbieri, Pablo (Elsevier, 2023-11)
      Context or problem: Several agricultural producers around the world are adopting hairy vetch (HV) (Vicia villosa Roth) inclusion in the crop sequence before maize (Zea mays L.). To date, it is not clear which factors control ...

    • Can edaphic variables improve DTPA-Based zinc diagnosis in corn? 

      Barbieri, Pablo; Sainz Rozas, Hernan Rene; Wingaard, Nicolás; Eyherabide, Mercedes; Reussi Calvo, Nahuel Ignacio; Salvagiotti, Fernando; Correndo, Adrián A.; Barbagelata, Pedro Anibal; Espósito Goya, Gabriel Pablo; Colazo, Juan Cruz; Echeverria, Hernan Eduardo (2017-06-01)
      Current zinc (Zn) diagnostic methods for corn (Zea mays L.) are often based on soil DTPA (diethylenetriamine-pentaacetic acid) extractable Zn (DTPA-Zn). However, calibration of the DTPA-Zn test may be influenced by other ...

    • Cation nutrient reserves decline markedly under intensive cropping of Pampas Mollisols 

      Larrea, Gaston Emiliano; Wyngaard, Nicolás; Eyherabide, Mercedes; Reussi Calvo, Nahuel Ignacio; Puricelli, Marino Marcelo; Barbieri, Pablo; Angelini, Hernán Pablo; Salvagiotti, Fernando; Sainz Rozas, Hernan Rene (Elsevier, 2023-04)
      The availability of exchangeable cationic nutrients in soils, such as calcium (Cae), magnesium (Mge), and potassium (Ke), is vital for crops growth and development. However, the concentration of these nutrients can be ...

    • A Comparison of indexes to estimate corn S uptake and S mineralization in the field 

      Carciochi, Walter Daniel; Wyngaard, Nicolás; Divito, Guillermo Adrián; Cabrera, Miguel L.; Reussi Calvo, Nahuel Ignacio; Echeverria, Hernan Eduardo (2018-04)
      The development of simple predictors of sulfur (S) mineralization and its correlation with field-derived data may help improving corn S availability diagnosis. The objectives of this study were (1) to compare methods to ...

    • ¿De qué depende la pérdida de materia orgánica en suelos agrícolas de la región Pampeana? 

      Wyngaard, Nicolás; Crespo, Cecilia; Bassi, Lucila; Cuervo, Matías; Angelini, Hernán Pablo; Eyherabide, Mercedes; Larrea, Gaston Emiliano; Sainz Rozas, Hernan Rene (Estación Experimental Agropecuaria Balcarce, INTA, 2020-07)
      La agricultura continua ha producido una caída del contenido de materia orgánica de los suelos. Un estudio realizado en la región pampeana por un grupo de investigadores de la Facultad de Ciencias Agrarias de la Universidad ...

    • Determining Mehlich-3 and DTPA extractable soil zinc optimum economic threshold for maize 

      Martínez Cuesta, Nicolas; Wyngaard, Nicolás; Sainz Rozas, Hernan Rene; Reussi Calvo, Nahuel Ignacio; Carciochi, Walter; Eyherabide, Mercedes; Colazo, Juan Cruz; Barraco, Miriam Raquel; Guertal, Elizabeth; Barbieri, Pablo (Wiley, 2020-09-16)
      Maize (Zea mays L.) is one of the most susceptible crops to zinc (Zn) deficiency. However, in much of the world, soil Zn tests are poorly calibrated, and thus determining a critical soil test, level for Zn is challenging. ...

    • Diagnosis of sulfur availability for corn based on soil analysis 

      Carciochi, Walter Daniel; Wingaard, Nicolás; Divito, Guillermo Adrián; Reussi Calvo, Nahuel Ignacio; Cabrera, Miguel; Echeverria, Hernan Eduardo (Springer Berlin Heidelberg, 2016-10)
      Different edaphic properties were evaluated to diagnose soil sulfur (S) availability for corn in 15 field experiments as follows: (a) soil sulfate (SO4 −2-S) content at sowing at 0–20 cm and 0–60 cm depths [Sini(0–20) and ...

    • Effect of agriculture on soil properties associated with soil health and fertility in the Argentinean Pampas 

      Sainz Rozas, Hernan Rene; Eyherabide, Mercedes; Larrea, Gaston Emiliano; Angelini, Hernán Pablo; Reussi Calvo, Nahuel Ignacio; Wyngaard, Nicolás (Food and Agriculture Organization of the United Nations (FAO), 2022-07)
      During the last four decades, the Argentinean Pampas Region (APR) (lat: 33o 23’S to 38o 47’S, long: 57o 36’W to 65o 10’W) has been subjected to a land use change process known as “agriculturization”, which is the conversion ...

    • Effect of intensified cropping sequences on soil physical properties in contrasting environments 

      Crespo, Cecilia; Wyngaard, Nicolás; Sainz Rozas, Hernan Rene; Studdert, Guillermo; Barraco, Miriam Raquel; Gudelj, Vicente Jorge; Barbagelata, Pedro Anibal; Barbieri, Pablo (Elsevier, 2021-08-27)
      Soybean (Glycine max (L.) Merr.) monoculture contributes to soil degradation. Intensification of soybean-based sequences through polyculture, cover crops (CC), and crop fertilization can enhance soil physical quality and ...

    • Effect of the intensification of cropping sequences on soil organic carbon and its stratification ratio in contrasting environments 

      Crespo, Cecilia; Wyngaard, Nicolás; Sainz Rozas, Hernan Rene; Studdert, Guillermo; Barroco, Mirian; Gudelj, Vicente Jorge; Barbagelata, Pedro Anibal; Barbieri, Pablo (Elsevier, 2021-01-19)
      In environments where continuous agriculture leads to soil organic carbon (SOC) depletion, intensification practices (i.e. polyculture, cover crops (CC), and crop fertilization) have been suggested as strategies to improve ...

    • Effect of zinc application strategies on maize grain yield and zinc concentration in mollisols 

      Martinez Cuesta, Nicolás; Carciochi, Walter; Sainz Rozas, Hernan Rene; Salvagiotti, Fernando; Colazo, Juan Cruz; Wyngaard, Nicolás; Eyherabide, Mercedes; Ferraris, Gustavo Nestor; Barbieri, Pablo (Taylor and Francis, 2020-11-12)
      Maize (Zea mays L.) is highly susceptible to zinc (Zn) deficiency. Different application strategies (AS) can be utilized to improve grain yield (GY) and quality (Zn biofortification) by combining Zn fertilizer rate, source, ...

    • Enyesado para revertir problemas de sodicidad por riego: efecto de fuente y dosis 

      Chevallier Boutell, J.; Carciochi, Walter; García, G.V.; Diovisalvi, Nicolás; Iglesias, P.; Wyngaard, Nicolás; Crespo, Cecilia; Sainz Rozas, Hernan Rene; Reussi Calvo, Nahuel Ignacio (Asociación Argentina de la Ciencia del Suelo, 2022-11)
      Evaluar el efecto de fuentes y dosis de yeso sobre distintas propiedades químicas del suelo, y su impacto en el rendimiento de cebada.

    • Exploring maize grain yield response to boron fertilization in Mollisols : critical thresholds and predictive models 

      Barbieri, Pablo; Crespo, Cecilia; Wyngaard, Nicolás; Eyherabide, Mercedes; Martinez Cuesta, Nicolás; Reussi Calvo, Nahuel Ignacio; Sainz Rozas, Hernan Rene; Angelini, Hernán Pablo; Carciochi, Walter; Gudelj, Vicente Jorge; Espósito Goya, Gabriel Pablo; Salvagiotti, Fernando; Ferraris, Gustavo Nestor; Sanchez, Héctor; Ventimiglia, Luis Alberto; Torrens Baudrix, Lisandro (Wiley, 2024-05)
      Background: There are no extractable boron (B) thresholds for maize (Zea mays L.) in Mollisols determined by field calibrations. Aims: Our objectives were to: (1) explore maize grain yield response to B fertilization, (2) ...

    • Factores determinantes de las pérdidas de nitrógeno por volatilización y su efecto sobre el rendimiento del maíz = Determinants of ammonia volatilización losses and their effect on maize yield 

      Toribio, Mirta; Iglesias, María Paula; Correndo, Adrián; Wyngaard, Nicolás; Reussi Calvo, Nahuel Ignacio (Asociación Argentina de la Ciencia del Suelo, 2023-12)
      El proceso de volatilización es un mecanismo de pérdida de nitrógeno (N) en el cultivo de maíz. Identificar y jerarquizar sus principales factores determinantes es esencial hacia una agricultura más sostenible en términos ...

    • Fin de las reservas de fertilizantes fosfatados: ¿realidad o restricciones geopolíticas? 

      Giannini, Ana Paula; Andriulo, Adrian Enrique; Wyngaard, Nicolás (Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 2022-08-30)
      El fósforo (P) es un elemento fundamental para toda la vida en la tierra, y no presenta un sustituto en la producción de alimentos. El suministro de P desde las reservas de rocas fosfóricas está concentrado en unos pocos ...

    • Fracciones de fósforo edáfico bajo diferentes manejos = Phosphorus fractions under different managements 

      Giannini, Ana Paula; Andriulo, Adrian Enrique; Wyngaard, Nicolás; Irizar, Alicia Beatriz (Asociación Argentina de la Ciencia del Suelo, 2022-12)
      El fósforo (P) es uno de los nutrientes que más limita la producción agrícola. A nivel mundial, la región pampeana presenta los mayores déficits de P edáfico. Como su existencia en el suelo varía desde iones en solución a ...

    • Improving soil organic nitrogen and sulfur pools by cover cropping and crop fertilization in soybean-based cropping systems 

      Crespo, Cecilia; Wyngaard, Nicolás; Sainz Rozas, Hernan Rene; Barbagelata, Pedro Anibal; Barraco, Miriam Raquel; Gudelj, Vicente Jorge; Barbieri, Pablo (Elsevier, 2021-07-10)
      Nitrogen (N) and sulfur (S) define crops productivity, and are currently deficient in most agricultural soils. In agricultural systems, management practices can affect N and S organic pools (Norg and Sorg, respectively). ...

    • Long-term tillage impact on soil phosphorus under different crop sequences 

      Giannini, Ana Paula; Andriulo, Adrian Enrique; Wyngaard, Nicolás; Irizar, Alicia Beatriz (Wiley, 2024-01)
      Management practices, such as tillage and cropping diversification, influence soil phosphorus (P) dynamics. The aim was to evaluate the long-term effect of tillage systems (no tillage, NT; vertical tillage, VT; conventional ...