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Mostrando ítems 1-14 de 14
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Analysis of factors controlling maize yield response to hairy vetch and to nitrogen fertilization after hairy vetch
Carciochi, Walter; 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 ... -
Assessing the effect of split and additional late N fertilisation on N economy of maize
Maltese, Nicolás; Carciochi, Walter Daniel; Caviglia, Octavio; Sainz Rozas, Hernan Rene; García, Mauricio; Lapaz, Adrián; Ciampitti, Ignacio; Reussi Calvo, Nahuel Ignacio (Elsevier, 2024-03)Context: In the temperate-humid region of Argentina, nitrogen (N) fertilisers in maize (Zea mays L.) are mainly applied around sowing, whereas N-splitting is rare and occurs during early vegetative stages. Splitting and ... -
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. ... -
Does nitrogen fertilization rate, timing and splitting affect sunflower yield and grain quality?
Tovar Hernández, Sergio; Carciochi, Walter; Diovisalvi, Natalia; Izquierdo, Natalia; Wyngard, Nicolás; Barbieri, Pablo; Reussi Calvo, Nahuel Ignacio (Wiley, 2023-02)Nitrogen (N) deficiency could have a negative effect on sunflower (Helianthus annuus L.) yield and grain quality. Therefore, it is necessary to adjust the optimum rate, timing, and frequency of N fertilization to improve ... -
Economic optimum nitrogen rate analysis for feed and malting barley
Reussi Calvo, Nahuel Ignacio; Carciochi, Walter; Prystupa, Pablo; Queirolo, Ignacio; Sainz Rozas, Hernan Rene (Wiley, 2022-07-10)The malt industry has specific requirements for malting barley (Hordeum vulgare L.) grain protein concentration (from 9.5 to 13%) and size (>85%), which could be affected by nitrogen (N) fertilization. We aimed to (a) ... -
Holistic Assessment of Calcium Fertilization in Potato: Diagnostic, Productivity, and Tuber Quality
Giletto, Claudia; Kloster Erreguerrena, M.; Ceroli, Paola Susana; Carciochi, Walter; Silva, Sandra; Rodríguez, Silvia; Salvagiotti, Fernando; Reussi Calvo, Nahuel Ignacio (Springer Nature, 2023)Calcium (Ca) deficiency could negatively affect potato (Solanum tuberosum L.) tuber yield and quality. Therefore, it is required to develop Ca diagnostic methods and assess the impact of Ca fertilization on tuber yield and ... -
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 ... -
Monitoring Corn Nitrogen Concentration from Radar (C-SAR), Optical, and Sensor Satellite Data Fusion
Lapaz Olveira, Adrián; Sainz Rozas, Hernan Rene; Castro Franco, Mauricio; Carciochi, Walter; Nieto, Luciana; Balzarini, Mónica; Ciampitti, Ignacio; Reussi Calvo, Nahuel Ignacio (Multidisciplinary Digital Publishing Institute (MDPI), 2023-02)Corn (Zea mays L.) nitrogen (N) management requires monitoring plant N concentration (Nc) with remote sensing tools to improve N use, increasing both profitability and sustainability. This work aims to predict the corn Nc ... -
Monitoring corn nitrogen nutrition index from optical and synthetic aperture radar satellite data and soil available nitrogen
Lapaz Olveira, Adrián; Castro Franco, Mauricio; Sainz Rozas, Hernan Rene; Carciochi, Walter; Balzarini, Mónica; Avila, Oscar; Ciampitti, Ignacio; Reussi Calvo, Nahuel Ignacio (Springer, 2023-08)Nitrogen (N) nutrition index (NNI) is a reliable indicator of plant N status for field crops, but its determination is both labor- and cost-intensive. The utilization of remote sensing approaches for monitoring N, mainly ... -
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 ... -
Revisiting the relationship between nitrogen nutrition index and yield across major species
Rodriguez, Ignacio; Lacasa, Josefina; van Versendaal, Emmanuela; Lemaire, Gilles; Belanger, Gilles; Jégo, Guillaume; Sandaña, Patricio; Soratto, Rogério; Djalovic, Ivica; Ata-Ul-Karim, Syed Tahir; Reussi Calvo, Nahuel Ignacio; Giletto, Claudia Marcela; Zhao, Ben; Ciampitti, Ignacio (Elsevier, 2024-03)Crop nitrogen (N) fertilization diagnoses via the N nutrition index (NNI)-yield relationship have been tested for several crop species, but a cross-species comparison of that relationship has not been performed yet. This ... -
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 ... -
The effect of agriculture on topsoil carbon stocks is controlled by land use, climate, and soil properties in the Argentinean Pampas
Wyngaard, Nicolás; Crespo, Cecilia; Angelini, Hernán Pablo; Eyherabide, Mercedes; Larrea, Gaston Emiliano; Reussi Calvo, Nahuel Ignacio; Carciocchi, Walter Daniel; Sainz Rozas, Hernan Rene (Elsevier, 2022-05)The conversion of native grasslands into croplands with a high frequency of soybean (Glycine max L.) in crop rotations has diminished soil organic carbon (SOC) stocks in the Argentinean Pampas. The aims of our study were ... -
Uso del índice de verdor para determinar la dosis optima económica de nitrógeno en maíz
Sainz Rozas, Hernan Rene; Reussi Calvo, Nahuel Ignacio; Barbieri, Pablo (Asociación Argentina de la Ciencia del Suelo, 2019-06)En regiones con excesos hídricos al comienzo de la estación de crecimiento, la aplicación de nitrógeno (N) en estadíos tempranos del maíz no es la mejor estrategia para maximizar la eficiencia de uso de dicho nutriente. ...