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Dinâmica espectral de áreas agrícolas e impactos causados pela geada de junho de 2021, por recortes de imagens do satélite Sentinel-2, na região de Londrina, PR, Brasil. Author(s): GONCALVES, S. L.; FARIAS, J. R. B.; SIBALDELLI, R. N. R.; NEUMAIER, N. Repository: BDPA Publication year: 2022
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
Characterization of watermelon juice concentrated by reverse osmosis process. Author(s): GOMES, F. S.; ALBUQUERQUE, P. C.; CAMPOS, M. B.; COURI, S.; CABRAL, L. M. C. Watermelon is a tropical fruit with excellent flavour, color, sweetness and succulence. Nowadays it is pointed out as an excellent source of lycopene, a carotenoid with antioxidant property. The objec... ... Repository: BDPA Publication year: 2009
Evaluation of adaptability and stability for iron, zinc and protein content in cowpea genotypes using GGE biplot approach. Author(s): ARAÚJO, M. dos S.; ARAGÃO, W. F. L. de; SANTOS, S. P. dos; FREITAS, T. K. T.; SARAIVA, V. da C.; SILVA, K. J. D. e; DIAS, L. A. dos S.; ROCHA, M. de M. Cowpea is a widely cultivated crop in the world. Biofortification strategies aim to reduce mineral and protein deficiencies, especially among the poorest people. The aim of this study was to estimate... ... Repository: BDPA Publication year: 2022
Nanostructured zinc oxide films obtained by the microwave hydrothermal method for application in photocatalysis. Author(s): SOUZA, G. de; NERY, L. H.; PARIS, E. C.; KLEIN-GUNNEWIEK, F.; GIRALDI, T. R. In this study, nanostructured ZnO films were synthesized by microwave hydrothermal method for application in photocatalysis. The synthesis was made starting a ethylene glycol and zinc acetate solution... ... Repository: BDPA Publication year: 2022
Seasonal study of concentration of heavy metals in waters from lower São Francisco River basin, Brazil. Author(s): SOUZA, A. M.; MENDES, A. M. S.; MELO, J. F. B.; FELIX, W. P.; BELÉM, C. S.; RAMOS, P. N. In this study we determined the concentration of metals (Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn) in the water lower São Francisco River basin, to evaluate the influence of urbanization and industrializatio... ... Repository: BDPA Publication year: 2016
Breeding biofortified cowpea lines for semi-arid tropical areas by combining higher seed protein and mineral levels. Author(s): SANTOS, C. A. F.; BOITEUX, L. S. One strategy to mitigate human malnutrition in semi-arid areas is to increase the protein and mineral content of cowpea cultivars. Total seed protein, potassium, calcium, iron, zinc, and sodium conten... ... Repository: BDPA Publication year: 2013
Multicomutation flow system for spectrophometric total amino acids determination in plant material. Author(s): NOGUEIRA, A. R. de A.; OLIVEIRA, D. B.; CARAPELI, R.; FERRAZ, L. F. de M.; MARTELLI, P. B. To identify lhe nitrogen transportation forms and attain the control mechanism, the amount of free amino acids in different parts of lhe plant has to be determined. An automatic, fast and reliable pro... ... Repository: BDPA Publication year: 2006
Protocol adaptation for brazil nut (Bertholletia excelsa Bonpl) DNA extraction. Author(s): GIUSTINA, L. D.; CABRAL, J. C.; BALDONI, A. B.; NEVES, L. G. Brazil nut (Bertholletia excelsa Bonpl.) is an Amazonian Forest species, which is acknowledged for the commercialization of its almonds. It is an endangered species, fact that reinforces the need of c... ... Repository: BDPA Publication year: 2018
Inorganic phosphorus in soil after four years of integrated systems of crop-livestock-forest. Author(s): CARVALHO, G. de; BEHLING, M.; LANGE, A.; CAMARGO, D.; FARIAS, J. B.; SOUZA, L. H. C. de The study was conducted in the 2015/2016 harvest at Embrapa Agrosilvopastoral in Sinop, MT. The evaluated systems were: eucalypt planted forest (F); exclusive crop (soybean) (L); pasture with brachiar... ... Repository: BDPA Publication year: 2018

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