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Use of the VegSyst model to simulate seasonal dry matter production, N and K uptake and evapotranspiration in greenhouse soil-grown tomato in Uruguay.

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ABSTRACT.- The VegSyst model, initially developed for nitrogen (N) and irrigation recommendations for greenhouse-grown vegetable crops in southeastern Spain, was calibrated and validated for greenhouse tomato cultivated in soil in Uruguay (South America) for autumn and spring growing seasons. Additionally, the performance of the recalibrated VegSyst model was compared to the calibration for tomato grown in Almeria greenhouses of VegSyst model V3.

A soft systems approach for innovation in the fruits and vegetables market in Uruguay. [Uma abordagem de sistemas flexíveis para a inovação na cadeia de frutas e hortaliças no Uruguai].

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ABSTRACT.- "Systems thinking" approaches include some techniques and methods developed by social scientists to encourage debate, recognising that their practice is inevitably full of value and that research is a part of intervention. In general, systems theories explain the need to transcend disciplines to increase our understanding of a situation by considering different levels of impact, especially through visualisation tools.

Avaliação de genótipos de morangueiro quanto à qualidade e potencial de armazenamento. [Evaluation of strawberry genotypes on the quality and storage potential].

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RESUMO.- O objetivo deste trabalho foi avaliar a qualidade de cultivares e clones de morangos e o seu potencial de armazenamento sob refrigeração. O delineamento experimental utilizado foi de blocos ao acaso, com quatro repetições de aproximadamente 150g. Os tratamentos consistiram na avaliação de três cultivares e quatro clones, sendo eles:LBH 15.1.Arazá, SGH 140.3. Guenoa, LBF 236.3 Yvapitá, LBG 121.4, LBK 16.1, LBK 35.1 e LBK 28.1. As avaliações foram realizadas na colheita e dez dias após o armazenamento a -0,5ºC, mais dois dias em temperatura de 20ºC.

O45 Energy efficiency of Hereford heifers classified by paternal Residual Feed Intake. [conference abstract].

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Residual feed intake (RFI) has become a widely spread measure of an animal's feed efficiency. Nevertheless, although most of beef cattle production worldwide is pasture-based, RFI evaluation is usually performed in confinement conditions. The objective of this work was to evaluate the relationship between the heifer?s efficiency measured as RHP and the paternal (estimated breeding values) EBV for RFI.

Informe agroclimático 2023- Situación a Mayo.

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Contenido. Síntesis de la Situación Agroclimática de Mayo-- Perspectivas Climáticas Trimestrales elaboradas por el IRI de la Universidad de Columbia (Más información puede encontrarse en el sitio del IRI:http://www.iri.columbia.edu) -- Índice de Vegetación (NDVI) -- Precipitaciones -- Porcentaje de Agua Disponible (PAD) -- Agua No Retenida (ANR) -- Índice de Bienestar Hídrico (IBH) -- Perspectivas Climáticas Jun-Jul-Ago elaboradas por el IRI de la Universidad de Columbia. Destacamos para este mes:Previsión de temperaturas mínimas.