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Author(s): ZHU, C.; LU, D.; VICTORIA, D. de C.; DUTRA, L. V.

Mapping cropland distribution over large areas has attracted great attention in recent years, however, traditional pixel-based classification approaches produce high uncertainty in cropland area stati... ...

Repository: BDPA     Publication year: 2016

Author(s): LUZ, C. C. da S.; RAMOS, A. W. P.; BARROS, C. A. de; NEVES, S. M. A. da S.; SILVA, J. dos S. V. da; GALVANIN, E. A. dos S.

Resumo. O objetivo deste estudo é aplicar os índices de vegetação Normalized Difference Vegetation Index (NDVI) e Enhanced Vegetation Index (EVI) para análise da dinâmica temporal da cobertura vegetal... ...

Repository: BDPA     Publication year: 2021

Author(s): BECKER, W. R.; RICHETTI, J.; MERCANTE, E.; ESQUERDO, J. C. D. M.; SILVA JUNIOR, C. A. da; PALUDO, A.; JOHANN, J. A.

Abstract. Knowledge of the agricultural calendar of crops is essential to better estimate and forecast the cultivation of large-scale crops. The aim of this study was to estimate sowing date (SD), dat... ...

Repository: BDPA     Publication year: 2020

Author(s): ANDRADE JUNIOR, A. S. de; SILVA, S. P. da; SETÚBAL, I. S.; SOUZA, H. A. de; VIEIRA, P. F. de M. J.

Digital aerial images obtained by cameras embedded in remotely piloted aircraft (RPA) have been used to detect and monitor abiotic stresses in soybeans, such as water and nutritional deficiencies. Thi... ...

Repository: BDPA     Publication year: 2022

Author(s): ALVARENGA, S. V. R.; NOGUEIRA, S. F.; SILVA, G. B. S. da; QUARTAROLI, C. F.; VICTORIA, D. de C.

O objetivo deste trabalho foi testar o potencial de discriminação do índice de vegetação Enhanced Vegetation Index-2 (EVI-2), derivado de uma imagem de alta resolução WorldView-2, na avaliação de 11 t... ...

Repository: BDPA     Publication year: 2015

Author(s): BRETAS, I. L.; VALENTE, D. S. M.; SILVA, F. F.; CHIZZOTTI, M. L.; PAULINO, M. F.; D’ÁUREA, A. P.; PACIULLO, D. S. C.; PEDREIRA, B. C. e; CHIZZOTTI, F. H. M.

Aboveground biomass (AGB) data are important for profitable and sustainable pasture management. In this study, we hypothesized that vegetation indexes (VIs) obtained through analysis of moderate spati... ...

Repository: BDPA     Publication year: 2021

Author(s): BORTOLUZ, V. R.; SILVA, B. T. C. DA; VIAN, A. L.; MARSON, G.; GATELLI, A. E. P.; MARODIN, G. A. B.; HAWERROTH, F. J.; BORTOLUZ, L.; BREDEMEIER, C.

A poda é um dos principais tratos culturais na cultura da macieira (Malus domestica), sendo responsável por potencializar e regular seu rendimento ao longo das safras. Neste estudo, buscou-se avaliar... ...

Repository: BDPA     Publication year: 2024

Author(s): MEDEIROS, R.; ANDRADE, J.; RAMOS, D.; MOURA, M. S. B. de; PÉREZ-MARIN, a. m.; SANTOS, C. A. C. dos; SILVA, B. B. da; CUNGA, J.

The Caatinga is the largest nucleus of Seasonally Dry Tropical Forests (SDTF) in the Neotropics. The leafing patterns of SDTF vegetation are adapted to the current environmental and climate variabilit... ...

Repository: BDPA     Publication year: 2022

Author(s): XIN, F.; XIAO, X.; CABRAL, O. M. R.; WHITE JUNIOR, P. M.; GUO, H.; MA, J.; LI, B.; ZHAO, B.

Abstract: Sugarcane (complex hybrids of Saccharum spp., C4 plant) croplands provide cane stalk feedstock for sugar and biofuel (ethanol) production. It is critical for us to analyze the phenology and... ...

Repository: BDPA     Publication year: 2020

Author(s): EMBRAPA INFORMÁTICA AGROPECUÁRIA.

O SATVeg - Sistema de Análise Temporal da Vegetação ? é uma ferramenta Web desenvolvida pela Embrapa Informática Agropecuária, destinada à observação de perfis temporais de índices vegetativos, que ex... ...

Repository: BDPA     Publication year: 2016

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