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Remote sensing and kriging with external drift to improve sparse proximal soil sensing data and define management zones in precision agriculture. Author(s): RODRIGUES, H. M.; CEDDIA, M. B.; VASQUES, G. M.; MULDER, V. L.; HEUVELINK, G. B. M.; OLIVEIRA, R. P. de; BRANDAO, Z. N.; MORAIS, J. P. S.; NEVES, M. L.; TAVARES, S. R. de L. The precision agriculture scientific field employs increasingly innovative techniques to optimize inputs, maximize profitability, and reduce environmental impacts. Therefore, obtaining a high number o... ... Repository: BDPA Publication year: 2023
Spatial distribution of agronomic attributes of corn plants in integrated production systems in Brazilian Amazonia. Author(s): FEITOSA, I. de L.; OLIVEIRA, M. S. de; PASSOS, A. M. A. dos; CIPRIANI, H. N. Crop-livestock-forest systems are a sustainable production alternative based on the integration of several components and configurations that increase the complexity of management and soil-plant relat... ... Repository: BDPA Publication year: 2022
Model for multiple imputation to estimate daily rainfall data and filling of faults. Author(s): CARVALHO, J. R. P. de; MONTEIRO, J. E. B. de A.; NAKAI, A. M.; ASSAD, E. D. Modeling by multiple enchained imputation is an area of growing importance. However, its models and methods are frequently developed for specific applications. In this study the model for multiple imp... ... Repository: BDPA Publication year: 2017
Summarizing soil chemical variables into homogeneous management zones – case study in a specialty coffee crop. Author(s): SILVA, C. de O. F.; GREGO, C. R.; MANZIONE, R. L.; OLIVEIRA, S. R. de M.; RODRIGUES, G. C.; RODRIGUES, C. A. G.; SPERANZA, E. A.; LUCHIARI JUNIOR, A.; KOENIGKAN, L. V. In this work, 17 soil chemical variables were jointly analyzed for HMZ delineation by using indicator kriging (IK) to interpolate a soil fertility index (SFI). Repository: BDPA Publication year: 2024
Finding suitable transect spacing and sampling designs for accurate soil ECa mapping from EM38-MK2. Author(s): RODRIGUES, H. M.; VASQUES, G. de M.; OLIVEIRA, R. P. de; TAVARES, S. R. de L.; CEDDIA, M. B.; HERNANI, L. C. Finding an ideal sampling design is a crucial stage in detailed soil mapping to assure reasonable accuracy of resulting soil property maps. This study aimed to evaluate the influence of sampling desig... ... Repository: BDPA Publication year: 2020
Spatio-temporal modeling of data imputation for daily rainfall series in homogeneous zones. Author(s): CARVALHO, J. R. P. de; NAKAI, A. M.; MONTEIRO, J. E. B. A. Spatio-temporal modelling is an area of increasing importance in which models and methods have often been developed to deal with specific applications. In this study, a spatio-temporal model was used... ... Repository: BDPA Publication year: 2016
Estimating soil loss by laminar erosion using precision agriculture computational tools. Author(s): KRUG, E. T. S.; GOMES, G. J.; SOUZA, E. G. de; GEBLER, L.; SOBJAK, R.; BAZZI, C. L. ABSTRACT: The study aimed to identify and evaluate the spatial variability in laminar erosion in areas using precision agriculture tools. Soil data from three properties in the western region of Paran... ... Repository: BDPA Publication year: 2022
Spatial characterization of hygienic-sanitary indicators of refrigerated raw milk from three microregions of the Rondônia state. Author(s): DIAS, J. A.; PACHECO, I. F.; GREGO, C. R.; FARIA, G. V.; CRUZ, P. G. da Abstract. Bacterial count (SPC) and somatic cell count (SCC) are considered universal indicators of milk quality. The objective of this study was to identify SPC and SCC clusters in milk samples from... ... Repository: BDPA Publication year: 2020
Zonas de manejo a partir de espectroscopia de emissão de plasma induzido por laser. Author(s): VALOIS, P. H. V.; FRANCHINI, J. C.; DEBIASI, H.; VAZ, C. M. P.; CORREA, F. B.; BOAS, P. R. V. Repository: BDPA Publication year: 2019
Evaluation of statistical and geostatistical models of difgital soil properties mapping in tropical mountain regions. Author(s): CARVALHO JUNIOR, W. de; CHAGAS, C. da S.; LAGACHERIE, P.; CALDERANO FILHO, B.; BHERING, S. B. As propriedades dos solos têm grande impacto sobre aspectos econômicos e ambientais da produção agropecuária. As relações quantitativas entre as propriedades dos solos e os fatores que condicionam sua... ... Repository: BDPA Publication year: 2014

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