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Correlation maps to assess soybean yield from EVI data in Paraná State, Brazil Scientia Agricola
Figueiredo,Gleyce Kelly Dantas Araújo; Brunsell,Nathaniel Allan; Higa,Breno Hiroyuki; Rocha,Jansle Vieira; Lamparelli,Rubens Augusto Camargo.
ABSTRACT Vegetation indices are widely used to monitor crop development and generally used as input data in models to forecast yield. The first step of this study consisted of using monthly Maximum Value Composites to create correlation maps using Enhanced Vegetation Index (EVI) from Moderate Resolution Imaging Spectroradiometer (MODIS) sensor mounted on Terra satellite and historical yield during the soybean crop cycle in Paraná State, Brazil, from 2000/2001 to 2010/2011. We compared the ability of forecasting crop yield based on correlation maps and crop specific masks. We ran a preliminary regression model to test its ability on yield estimation for four municipalities during the soybean growing season. A regression model was developed for both...
Tipo: Info:eu-repo/semantics/article Palavras-chave: MODIS; Crop yield forecasting; Vegetation indices.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162016000500462
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