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Hyperspectral data analysis for chlorophyll content derivation in vineyards. Quality and yield of a vineyard are related to canopy biomass and leaf vigor, and proximal techniques have been used as alternatives to conventional methods to estimate these parameters. Knowledge on... ... Repository: BDPA Publication year: 2024
Experimento didático de quimiometria empregando imagens digitais obtidas por celular para determinar adulteração de azeite de oliva com óleo de soja: um tutorial, parte VI. The aim of this manuscript was to show the concepts involving data treatment of RGB based image analysis by univariate and multivariate approaches - the latter using Partial Least Squares (PLS) - usin... ... Repository: BDPA Publication year: 2022
Multivariate analysis of images in spectrophotometric methods: quantification of soil organic matter. Soil organic matter (SOM) is usually quantified by Walkley-Black titration method or using a spectrophotometric method. This study proposes an alternative method for quantification of SOM using digita... ... Repository: BDPA Publication year: 2021
Comparison of dimensionality reduction methods to predict genomic breeding values for carcass traits in pigs. A significant contribution of molecular genetics is the direct use of DNA information to identify genetically superior individuals. With this approach, genome-wide selection (GWS) can be used for this... ... Repository: BDPA Publication year: 2015
The meat market in Brazil: a partial equilibrium model. Um modelo de equilíbrio parcial para o mercado brasileiro de carnes é ajustado por meio de mínimos quadrados em três estágios. O modelo mostra-se consistente com as observações e pode ser usado para s... ... Repository: BDPA Publication year: 2008
Vitamin C distribution in acerola fruit by near infrared hyperspectral imaging. The study aims at developing a methodology for qualitative mapping of nutraceutical compounds in fruit by near infrared hyperspectral imaging (NIR-HSI), focusing on vitamin C mapping in acerola (Malpi... ... Repository: BDPA Publication year: 2016
Laser-induced breakdown spectroscopy associated with multivariate analysis applied to discriminate fertilizers of different nature. Repository: BDPA Publication year: 2017
Desenvolvimento e validação de método para quantificação de biodiesel em diesel na presença de óleo vegetal utilizando o infravermelho médio. Repository: BDPA Publication year: 2018
Modeling the effect of the age of dam at calving on the weaning weight of Charolais-Zebu crossbred calves. ABSTRACT - The objective of this study was to evaluate alternatives for modeling the age of dam at calving (AOD) effect on the weaning weight of Charolais-Zebu crossbred calves. Data from 56,965 calve... ... Repository: BDPA Publication year: 2009
Physical quality of soils under a crop-livestock-forest system in the cerrado/amazon transition region. EN: Integrated crop-livestock-forest (iCLF) systems have gained prominence in the past decades as an alternative of sustainable land use, particularly in regions in which there is pressure against agr... ... Repository: BDPA Publication year: 2018

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