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Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy.
Registro completo
Biblioteca (s) :  INIA La Estanzuela.
Fecha :  23/09/2019
Actualizado :  21/09/2020
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Autor :  GRAHMANN, K.; DITTERT, K.; VERHULST, N.; GOVAERTS, B.; BUERKERT, A.
Afiliación :  KATHRIN GRAHMANN, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay./Organic Plant Production and Agroecosystems Research in the Tropics and Subtropics, University of Kassel, Witzenhausen, Germany.; KLAUS DITTERT, Institute of Applied Plant Nutrition, University of Göttingen, Göttingen, Germany.; NELE VERHULST, International Maize and Wheat Improvement Center (CIMMYT), Mexico City, DF, Mexico.; BRAM GOVAERTS, International Maize and Wheat Improvement Center (CIMMYT), Mexico City, DF, Mexico.; ANDREAS BUERKERT, Organic Plant Production and Agroecosystems Research in the Tropics and Subtropics, University of Kassel, Witzenhausen, Germany.
Título :  15N Fertilizer recovery in different tillage-straw systems on a Vertisol in north-west Mexico.
Fecha de publicación :  2019
Fuente / Imprenta :  Soil Use and Management, 1 September 2019, Volume 35, Issue 3, Pages 482-491. Doi: https://doi.org/10.1111/sum.12495
DOI :  10.1111/sum.12495
Idioma :  Inglés
Notas :  Article history: Received: 10 June 2018 | Revised: 12 January 2019 | Accepted: 21 January 2019.
Contenido :  AbstractTillage and residue retention affect nitrogen (N) dynamics and nutrient losses and therefore nitrogen use efficiency (NUE) and crop fertilizer use, however, there is little information about residual fertilizer effects on the subsequent crop. Micro- plots with 15N- labelled urea were established in 2014/2015 on a long- term experi-ment on a Vertisol in north- west Mexico. N fertilizer recovery (NFR) and the effects of residual fertilizer N for summer maize (Zea mays L.) and the subsequent wheat (Triticum durum L.) crop were studied in three tillage?straw management practices (CTB: conventionally tilled beds; PB- straw: permanent raised beds with residue retention; PB- burn: permanent raised beds with residue burning). Fertilizer 15N recovery rates for maize grain across all treatments were low with an average of 11%, but after wheat harvest total recovered 15N (15N in maize and wheat straw and grain, residual soil 15N) was over 50% for the PB- burn treatment. NFR was lowest in CTB after two cropping cycles (32%). Unaccounted N from applied fer-tilizer for the maize crop averaged 120 kg 15N ha?1 after wheat harvest. However, more than 20% of labelled 15N was found in the 0?90 cm soil profile in both PB treatments after wheat harvest, which highlights the need for long- term studies and continuous monitoring of the soil nutrient status to avoid over- application of min-eral N fertilizer.
Palabras claves :  15N LABELLED UREA; FERTILIZANTES NITROGENADOS; NITROGEN BALANCE; NITROGEN FERTILIZER RECOVERY; PERMANENT BEDS; WHEAT-MAIZE CROPPING SYSTEM.
Thesagro :  MAIZ; TRIGO.
Asunto categoría :  P35 Fertilidad del suelo
Marc :  Presentar Marc Completo
Registro original :  INIA La Estanzuela (LE)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
LE102993 - 1PXIAP - DDPP/Soil Use and Management/2019

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Registro completo
Biblioteca (s) :  INIA Las Brujas.
Fecha actual :  04/03/2024
Actualizado :  04/03/2024
Tipo de producción científica :  Artículos en Revistas Indexadas Nacionales
Circulación / Nivel :  Nacional - --
Autor :  NAVAS, R.; MONETTA, A.; ROEL, A.; BLANCO, N.; GIL, A.; GAMAZO, P.
Afiliación :  RAFAEL NAVAS NÚÑEZ, Universidad de la República, CENUR - Litoral Norte, Departamento del Agua, Salto, Uruguay; ALEJANDRO MONETTA, Universidad de la República, CENUR - Litoral Norte, Departamento del Agua, Salto, Uruguay; ALVARO ROEL DELLAZOPPA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; NICOLÁS BLANCO, Universidad de la República, CENUR - Litoral Norte, Departamento del Agua, Salto, Uruguay; ALFREDO GIL, Universidad Central de Venezuela, Departamento de Ingeniería Hidrometeorológica, Caracas, Venezuela; PABLO GAMAZO, Universidad de la República, CENUR - Litoral Norte, Departamento del Agua, Salto, Uruguay.
Título :  Flume calibration on irrigated systems by video image processing and bayesian inference. [Calibración de canales aforadores en sistemas irrigados mediante el procesamiento de imágenes de video y la inferencia bayesiana.]. [Calibração de calhas da vazão em sistemas irrigados por processamento de imagens de vídeo e inferência bayesiana.].
Complemento del título :  Advances in Water in Agroscience. Integrated catchment management.
Fecha de publicación :  2023
Fuente / Imprenta :  Agrociencia Uruguay, 2023, Vol.27(NE1), e1182. https://doi.org/10.31285/AGRO.27.1182 -- OPEN ACCESS.
ISSN :  2730-5066
DOI :  10.31285/AGRO.27.1182
Idioma :  Español
Notas :  Article history: Received 22 April 2023; Accepted 17 August 2023; Published 06 February 2024. -- Editor: Ángela Gorgoglione, Universidad de la República, Montevideo, Uruguay. -- Correspondence: Rafael Navas, rafaelnavas23@gmail.com -- Funding: El financiamiento fue otorgado por la Comisión Sectorial de Investigación Científica de la Universidad de la República, Programa I + D 2018, ID; 105 Nombre del grupo: Recursos Hídricos y Riego, Proyecto: Hacia un manejo eficiente del agua en la actividad agropecuaria. -- License: This work is licensed under a Creative Commons Attribution 4.0 International License. (https://creativecommons.org/licenses/by/4.0/ )
Contenido :  ABSTRACT.- Rice is a crop that requires a large amount of water throughout its production cycle to ensure a good yield, resulting in higher water consumption compared to other crops. In Uruguay, about 160,000 ha/year are planted, requiring about 1,760 hm3/year of water, with a very high international average productivity of 9,000 kg/ha. Irrigation is generally carried out by surface/flooding, with water passing through dug channels where gates are used to regulate the flow, and in some cases measurement devices are installed. Increasing pressure on water resources makes it necessary to increase knowledge of water use at the farm level. Flumes are an opportunity in this sense; however, they require calibration and adjustment through gauging, which are generally omitted due to their high cost and complexity. In this work, an economic method for the calibration of flumes through image video processing is proposed. The method uses the RIveR software (https://riverdischarge.blogspot.com/) for the video image processing, and the BaRatinAGE software to establish the stage-discharge relationship through Bayesian inference. A Surface Velocity Radar and an Acoustic Doppler Velocity Meter are used as reference sensors. The methodology is tested on a cutthroat flume. The experiment was conducted at a rice farm in northern Uruguay. The results indicate that flumes can be easily calibrated by video image processing and uncertainty can be quantified through Bayesian inference. An advantage... Presentar Todo
Palabras claves :  BaRatinAge; Calibração de calhas da vazão; Calibración de canales aforadores; Flume calibration; RIveR.
Asunto categoría :  P10 Recursos hídricos y su ordenación
URL :  http://www.ainfo.inia.uy/digital/bitstream/item/17515/1/2730-5066-1182.pdf
Marc :  Presentar Marc Completo
Registro original :  INIA Las Brujas (LB)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
LB103837 - 1PXIAP - DDPP/AGROCIENCIA URUGUAY/2023/27/NE1
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