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Phytosociological variability of weeds in soybean field Planta Daninha
Santi,A.L.; Bona,S.D.; Lamego,F.P.; Basso,C.J.; Eitelwein,M.T.; Cherubin,M.R.; Kaspary,T.E.; Ruchel,Q.; Gallon,M..
Understanding spatial distribution of weeds in the crop enables to perform localized herbicide applications, increasing the technical and economic efficiency of operations and reducing environmental impacts. This work aimed to characterize the spatial and phytosociological variability of weeds occurring in soybean commercial field. It was conducted in an agricultural area located at the municipality of Boa Vista das Missões - RS, during the 2010/2011 harvest season. The area, that had been managed under no-tillage with soybean monoculture (summer) for five years, was divided in regular squares of 50 x 50 m (0.25 ha), totalizing 356 points. For species identification, 0.5 x 0.5 m sample squares were used. During the survey, 1,739 individuals were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Precision agriculture; Spatial distribution; Importance index value; Variable rate application.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582014000100005
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