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objective yield

model

modèle de prévision de rendements objectifs

analyse économique - iate.europa.eu

objective yield forecasting model

modèle de prévision de rendement objectif

analyse économique - iate.europa.eu

Publications scientifiques

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Using handheld global positioning system receivers for the wheat objective yield survey national agricultural statistics... Next, the Washington Field Office and the Research and Development Division investigated if GPS receivers could assist field enumerators with the Wheat Objective Yield Survey....

général - core.ac.uk - PDF: citeseerx.ist.psu.edu

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General overview of the nass objective yield and objective measurement programsThe purpose of this document is to provide a summarized history of the objective yield and objective measurement programs conducted by the National Agricultural Statistics Service (NASS) since the early 1950s....

général - core.ac.uk - PDF: www.nass.usda.gov

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Using spatial rainfall and products from the modis sensor to improve an existing maize yield estimation system...estimations.Input data for the development of a Geographic Information System (GIS)-based modelconsisted of objective yield point data, Moderate Resolution Imaging Spectroradiometer(MODIS) Normalised Difference Vegetation Index (NDVI) images and rainfall grids.Rainfall...

politique agricole / Afrique / produit végétal - core.ac.uk - PDF: core.ac.uk

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Producers' yield and yield risk: perceptions versus reality and crop insurance useUsing survey data from 258 Illinois corn farmers, we investigate the relationship between subjective and objective yield measures and their effect on the use of crop insurance....

général - core.ac.uk - PDF: purl.umn.edu