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Hyperspectral data analysis for chlorophyll content derivation in vineyards. Author(s): ARRUDA, D. C. de; DUCATI, J. R.; PITHAN, P. A.; HOFF, R. 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
Multivariate analysis of images in spectrophotometric methods: quantification of soil organic matter. Author(s): MORAIS, P. A. de O.; SOUZA, D. M. de; MADARI, B. E. 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. Author(s): AZEVEDO, C. F.; NASCIMENTO, M.; SILVA, F. F.; RESENDE, M. D. V. de; LOPES, P. S.; GUIMARÃES, S. E. F.; GLÓRIA, L. S. 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. Author(s): SOUZA, G. da S. e; ALVES, E. R. de A.; GAZZOLA, R.; MARRA, R. 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. Author(s): MALEGORI, C.; GRASSI, S.; MARQUES, E. J. N.; FREITAS, S. T. de; CASIRAGHI, E. 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
Desenvolvimento e validação de método para quantificação de biodiesel em diesel na presença de óleo vegetal utilizando o infravermelho médio. Author(s): SOARES, I. P.; CORGOZINHO, C. N. C.; SILVA, G. F. Repository: BDPA Publication year: 2018
Modeling the effect of the age of dam at calving on the weaning weight of Charolais-Zebu crossbred calves. Author(s): TORAL, F. L. B.; TORRES JÚNIOR, R. A. de A.; LOPES, P. S.; SILVA, L. O. C. da; REIS FILHO, J. C. 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. Author(s): MOREIRA, G. M.; NEVES, J. C. L.; ROCHA, G. C.; MAGALHÃES, C. A. de S.; FARIAS NETO, A. L. de; MENEGUCI, J. L. P.; FERNANDES, R. B. A. 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
Least limiting water range, S-index and compressibility of a Udalf under different management systems. Author(s): LIMA, C. L. R. de; DUPONT, P. B.; PILLON, C. N.; MIOLA, E. C. C. Agricultural areas in the region of Turuçu, on the Southeast Hillside in the state of Rio Grande do Sul (RS), Brazil present many examples of soil physical degradation. Accord-ingly, strategies aimed... ... Repository: BDPA Publication year: 2020
Broadleaved weed species association in rice fields. Author(s): SCHREIDER, F.; CONCENCO, G.; ANDRES, A.; CONCENÇO, S. E.; MOISINHO, I. S.; PRATES, J. F.; CORADINI, M. C.; MARTINS, M. B.; PITOL, A. Repository: BDPA Publication year: 2017

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