Correcting field determination of elemental contents in soils via portable X-ray fluorescence spectrometry by Thaís Santos Branco Dijair, Fernanda Magno Silva, Anita Fernanda dos Santos Teixeira, Sérgio Henrique Godinho Silva, Luiz Roberto Guimarães Guilherme, Nilton Curi

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Different Quartz Varieties Characterized by Proximal Sensing and Their Relation to Soil Attributes by Sérgio Henrique Godinho Silva, Diego Ribeiro, Thaís Santos Branco Dijair, Fernanda Magno Silva, Anita Fernanda dos Santos Teixeira, Renata Andrade, Marcelo Mancini, Luiz Roberto Guimarães Guilherme, Nilton Curi

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