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Autores
Mostrando ítems 21-40 de 40
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Methods to determine nitrogen in sunflower grains
Diovisalvi, Natalia; Izquierdo, Natalia; Echeverria, Hernan Eduardo; Garcia, Fernando; Reussi Calvo, Nahuel Ignacio (Asociación Argentina de la Ciencia del Suelo, 2021-12)In sunflower, grain oil concentration (OG) determines oil industrial yield and protein concentration (PG) determines the protein of by-products as pellets and meals (PM). There are various methodologies to quantify total ... -
Métodos agronómicos y ambientales de determinación de fósforo en argiudoles del sudeste bonaerense = Agronomic and environmental phosphorus determinations in argiudolls of southeast of Buenos Aires
Zamuner, Ester Cristina; Lloveras, Jaume; Echeverria, Hernan Eduardo (2015-03-25)Los análisis de suelo son herramientas útiles para evaluar la fertilidad edáfica y efectuar recomendaciones de fertilización (métodos agronómicos). Otros métodos, denominados ambientales, estiman el fósforo (P) que puede ... -
Métodos de colocación de fósforo en trigo y maíz bajo siembra directa en el sudeste bonaerense
Barbieri, Pablo Andres; Echeverria, Hernan Eduardo; Sainz Rozas, Hernan Rene (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2018-12)La siembra directa (SD) produce cambios físicos, químicos y biológicos en el suelo que pueden afectar la disponibilidad de P para los cultivos. El uso eficiente de fertilizantes debe combinar factores como dosis, momento, ... -
N and S concentration and stoichiometry in soybean during vegetative growth: Dynamics of indices for diagnosing the S status
Divito, Guillermo Adrián; Echeverria, Hernan Eduardo; Andrade, Fernando Hector; Sadras, Victor Oscar (Elsevier, 2016-11)Information regarding the pattern of sulphur (S) accumulation in shoots is scarce for field crops and few comprehensive analysis were performed on N:S stoichiometry. Particularly, the need to study the patterns of uptake, ... -
¿El Nan mejora el diagnóstico de nitrógeno en trigo?
Reussi Calvo, Nahuel Ignacio; Sainz Rozas, Hernan Rene; Echeverria, Hernan Eduardo; Berardo, Angel; Diovisalvi, Natalia Verónica (2013-06)El aporte de nitrógeno (N) por mineralización es una de las principales fuentes de N para los cultivos, particularmente en suelos con altos contenidos de materia orgánica (MO) (Echeverría y Ferrari, 1993). En general, el ... -
Nitrato en pecíolo e índice verde en estratos del canopeo del cultivo de papa
Martinez, Juan Pablo; Giletto, Claudia Marcela; Echeverria, Hernan Eduardo (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2012-08)La concentración de nitrato en los pecíolos (NBS) y el Índice Verde (IV) medidos en las hojas inferiores del canopeo de papa podrían usarse como alternativa de los métodos tradicionales de evaluación del estado nutricional ... -
Nitrogen balance for potato crops in the southeast pampas region, Argentina
Giletto, Claudia Marcela; Echeverria, Hernan Eduardo (Springer, 2013-01)The aim of this work was to build an N mass balance for the potato crop under irrigation conditions in the southeast pampas (Argentina) as a function of N rate and gravitational water. The experiment was developed in a ... -
Nitrogen Recovery Efficiency from Urea Treated with NSN Co-Polymer Applied to No-Till Corn
Barbieri, Pablo; Sainz Rozas, Hernan Rene; Echeverria, Hernan Eduardo (MDPI, 2018-08-19)Nitrogen (N) rate increases used by many farmers produce a reduced or null effect on N recovery efficiency (RE) by crops. Therefore, management practices to reduce N losses and increase RE are necessary. Co-polymer maleic ... -
Pérdidas de nitrógeno por volatilización y eficiencia de uso en maíz desde urea aplicada en diferentes momentos
Barbieri, Pablo; Echeverria, Hernan Eduardo; Sainz Rozas, Hernan Rene (Ediciones INTA, 2023-06)La volatilización de amoníaco (N-NH3) es una importante vía de pérdida de nitrógeno (N) desde fertilizantes nitrogenados. En tal sentido, existe la necesidad de desarrollar estrategias de manejo que maximicen la eficiencia ... -
Phosphorus placement effects on phosphorous recovery efficiency and grain yield of wheat under no-tillage in the Humid Pampas of Argentina
Barbieri, Pablo; Sainz Rozas, Hernan Rene; Covacevich, Fernanda; Echeverria, Hernan Eduardo (2014)No-till (NT) affects dynamics of phosphorus (P) applied. Wheat response to P fertilization can be affected by available soil P, grain yield, placement, rate, and timing of fertilization. Furthermore, mycorrhizal associations ... -
Prognosis and diagnosis of sulfur status in maize by plant analysis
Carciochi, Walter; Reussi Calvo, Nahuel Ignacio; Wyngaard, Nicolás; Divito, Guillermo; Eyherabide, Mercedes; Echeverria, Hernan Eduardo (Elsevier, 2019-05)The analysis of sulfur concentration (SC) and nitrogen to S ratio (N/S) in plant tissue are some of the suggested tools to evaluate S deficiency in maize (Zea mays L.). However, the convenience of one over the other and ... -
Secuencia de cultivos con predominio de soja: efecto sobre indicadores de calidad física del suelo.
Martinez, Juan Pablo; Crespo, Cecilia; Cuervo, Matías Tomás; Sainz Rozas, Hernan Rene; Echeverria, Hernan Eduardo; Martinez, Fernando Gabriel; Cordone, Graciela; Barbieri, Pablo (Asociación Argentina de la Ciencia del Suelo, 2020-12)El aumento en la frecuencia del cultivo de soja y de su monocultivo puede provocar disminuciones en la materia orgánica del suelo (MO) y afectar sus propiedades físicas. Sin embargo, prácticas de manejo como la fertilización, ... -
Shoot- and tuber-based critical nitrogen dilution curves for the prediction of the N status in potato
Giletto, Claudia; Reussi Calvo, Nahuel Ignacio; Sandaña, Patricio; Echeverria, Hernan Eduardo; Bélanger, Gilles (Elsevier, 2020-09)Critical nitrogen (N) dilution curves describe the critical N concentration in plant tissues during crop growth and they are used to estimate the N nutriton status of whole plants in potato. Little is known, however, about ... -
Soil organic carbon in cropping sequences with predominance of soya bean in the argentinean humid Pampas
Martinez, Juan Pablo; Crespo, Cecilia; Sainz Rozas, Hernan Rene; Echeverria, Hernan Eduardo; Studdert, Guillermo; Martinez, Fernando Gabriel; Cordone, Graciela; Barbieri, Pablo (Wiley, 2020-01)Soya bean (Glycine max (L.) Merr.) monoculture can lead to a decrease in labile fractions of soil organic carbon (SOC). This study sought to evaluate the effects of cover crops (CC), application of fertilizer, and crop ... -
Soybean and wheat response to lime in no-till Argentinean mollisols
Barbieri, Pablo Andres; Echeverria, Hernan Eduardo; Sainz Rozas, Hernan Rene; Martínez, Juan Pablo (Elsevier, 2015-09)Crop production in Argentina has significantly increased over the past few years; this increase was consequence of better management practices which included P and N fertilization and, occasionally, S fertilization. Commonly ... -
Soybean shows an attenuated nitrogen dilution curve irrespective of maturity group and sowing date
Divito, Guillermo Adrián; Echeverria, Hernan Eduardo; Andrade, Fernando Hector; Sadras, Victor Oscar (2016-02-01)It is generally accepted that the nitrogen (N) dilution curves relating shoot nitrogen concentration (%N) and shoot biomass (W) are similar among genotypes from the same species. However, differences in the pattern of ... -
Sulfur affects root growth and improves nitrogen recovery and internal efficiency in wheat
Carciocchi, Walter Daniel; Divito, Guillermo Adrián; Fernández, Lucrecia A.; Echeverria, Hernan Eduardo (2017)Wheat plants were cultivated in pots with the objective of evaluate the effect of two sulfurrates (+S and -S) on i) shoot growth, S and nitrogen uptake and nitrogen use efficiency(NUE) and ii) root growth and architecture ... -
Sustainable intensification of agriculture improves soil nitrogen in the argentinean humid pampas
Martínez, Juan Pablo; Crespo, Cecilia; Cuervo, Matías; Echeverria, Hernan Eduardo; Martinez, Fernando; Cordone, Graciela; Barbieri, Pablo (American Society of Agronomy, 2022-03-31)In the Argentinean Humid Pampas, intensification practices like crop rotation, cover crops (CC) and fertilization can improve soil nitrogen (N) balance. This study aimed to assess how intensification practices affect soil ... -
Use of a critical phosphorus dilution curve to improve potato crop nutritional management
Zamuner, Ester Cristina; Lloveras, Jaume; Echeverria, Hernan Eduardo (Springer, 2016-08)Plant diagnostic methods to determine P deficiencies need the definition of a critical concentration value which represents the minimum P concentration required to achieve maximum growth. The critical P concentration (Pc) ... -
Water Availability and Row Spacing Effects on Nitrogen Use Efficiency in No-Till Maize
Barbieri, Pablo; Echeverria, Hernan Eduardo; Sainz Rozas, Hernan Rene (Scholars Direct, 2022-06-08)Reduced row spacing has shown to increase nitrogen use efficiency (NUE) in no-till irrigated maize; however available information in rainfed conditions is scarce. The objective was to analyze row spacing effects on NUE ...