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Assessment of heavy metals in soils of a vineyard region with the use of principal component analysis. Author(s): VALLADARES, G. S.; CAMARGO, O. A. de; CARVALHO, J. R. P. de; SILVA, A. M. C. Agricultural management with chemicals may contaminate the soil with heavy metals. The objective of this study was to apply Principal Component Analysis and geoprocessing techniques to identify the or... ... Repository: BDPA Publication year: 2009
Analysis of Macronutrients in Soil Using Impedimetric Multisensor Arrays. Author(s): BRAUNGER, M. L.; POPOLIN NETO, M.; KIRSANOV, D.; FIER, I.; AMARAL, L. R.; SHIMIZU, F. M.; CORREA, D. S.; PAULOVICH, F. V.; LEGIN, A.; OLIVEIRA JR., O. N.; RIUL JR, A. ABSTRACT: The need to increase food production to address the world population growth can only be fulfilled with precision agriculture strategies to increase crop yield with minimal expansion of the c... ... Repository: BDPA Publication year: 2024
Applications of laser-induced breakdown spectroscopy for soil analysis, part I: Review of fundamentals and chemical and physical properties. Author(s): VILLAS-BOAS, P. R.; FRANCO, M. A.; MARTIN NETO, L.; GOLLANY, H. T.; MILORI, D. M. B. P. Laser-induced breakdown spectroscopy (LIBS) has become a prominent analytical technique in recent years for real-time characterization of soil properties. However, only a few studies of soil chemical... ... Repository: BDPA Publication year: 2019
Multiresidue method for analysis of 240 pesticides in tomato planting soils by ultra performance liquid chromatography coupled to mass spectrometry. Author(s): MAZZEI, J. R. F.; FREIRE, E.; SERRA, E. G.; MACEDO, J. R. de; OLIVEIRA, A. C. de; BASTOS, L. H. P.; CARDOSO, M. H. W. M. In this work, an analytical method for the determination of residues was optimized for the focus pesticides: Azoxystrobin, Boscalid, Carbendazim, Chlorantraniliprole, Clothianidin, Diafenthiuron, Dife... ... Repository: BDPA Publication year: 2021
Sensitivity analysis of soils parameters and their influences on streamflow simulation in a small watershed, Northwest RJ, Brazil. Author(s): BRAZÃO, C.; SILVA, A.; FERNANDES, N.; BHERING, S. The physical and hydraulic properties of soils in the watershed vary temporally and spatially, having a direct relationship with the amount of water that infiltrates, flows and reaches to the river ch... ... Repository: BDPA Publication year: 2014
Legacy data: exploratory analysis to digital soil class mapping. Author(s): CARVALHO JUNIOR, W. de; BHERING, S. B.; PEREIRA, N. R.; CHAGAS, C. da S.; LOPES, C. H. L. The use of legacy data improve the value of these data and promote the input of new data on the database. Also, reduces the primary data collection and analytical procedures. In MS State, the legacy d... ... 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
Multivariate analysis applied to the study of the relationship between soil and plant properties In a peach orchard(1). Author(s): TERRA, V. S. S.; VALGAS, R. A.; REISSER JUNIOR, C.; TIMM, L. C.; PEREIRA, J. F. M.; CARVALHO, F. L. C. Repository: BDPA Publication year: 2014
Spatial analysis of soil physical attributes from a degraded area under different types of management. Author(s): CARVALHO, J. C. B. de; ESPINDOLA, C. R.; ALVES, M. C.; GREGO, C. R.; VIEIRA, S. R. The objective of this work was to analyze the spatial variability of soil aggregates, porosity and density under five different land-uses and management conditions (degraded substrate - SD; degraded s... ... Repository: BDPA Publication year: 2017
Analysis of soil temperature in different covers of second crop corn in transition area of Amazon and Cerrado biomes. Author(s): VENDRUSCULO, L. G.; OLIVEIRA, I. A. de; RODRIGUES, S. M. M.; ROCHA, W. R. da S. ABSTRACT. The objective of this work was to evaluate the variation of the average, minimum and maximum temperatures in two (2) type of surfaces: soil with crop residues and straw of Brachiaria and the... ... Repository: BDPA Publication year: 2021

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