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Author(s): SOUZA, I. C. DE; SILVEIRA, H. L. F. da; RODRIGUES, C. A. G.; FRANZIN, J. P.; RONQUIM, C. C.

RESUMO: O uso do Sensoriamento Remoto para o planejamento e a tomada de decisão é cada vez mais frequente em função da grande disponibilidade de dados e de ferramentas de manipulação. No mapeamento de... ...

Repository: BDPA     Publication year: 2023

Author(s): CASTAGNA, D.; VENDRUSCULO, L. G.; SOUZA, A. P. de

A chuva é um tipo de precipitação pluvial e um elemento climático que permite a caracterização do ambiente e aplicação em inúmeras pesquisas agrícolas e ambientais. Porém, é comum encontrar falhas em... ...

Repository: BDPA     Publication year: 2021

Author(s): BOSCHI, R. S.; BOCCA, F. P.; LOPES-ASSAD, M. L. R. C.; ASSAD, E. D.

The aim of this study was to evaluate the predictive capability of PTFs available in the literature to estimate soil pb in different regions of Brazil, using different metrics (mean absolute error (MA... ...

Repository: BDPA     Publication year: 2018

Author(s): REIS, A. M. H. dos; TEIXEIRA, W. G.; FONTANA, A.; BARROS, A. H. C.; VICTORIA, D. de C.; VASQUES, G. M.; SAMUEL-ROSA, A.; OTTONI, M. V.; MONTEIRO, J. E. B. de A.

Bulk density (BD) is a soil physical property used as a soil quality indicator and variations in this measurement influence soil water content and carbon stock estimates. This study aims to compile a... ...

Repository: BDPA     Publication year: 2024

Author(s): MARIN, F. R.; JONES, J. W.; ROYCE, F.; SUGUITANI, C.; DONZELLI, J. L.; PALLONE FILHO, W.; NASSIF, D. S. P.

The DSSAT/CANEGRO model was parameterized and its predictions evaluated using data from five sugarcane experiments conducted in Southern Brazil. Some parameters whose values were either directly measu... ...

Repository: BDPA     Publication year: 2011

Author(s): FONGARO, C. T.; DEMATTÊ, J. A. M.; RIZZO, R.; SAFANELLI, J. L.; MENDES, W. de S.; DOTTO, A. C.; VICENTE, L. E.; FRANCESCHINI, M. H. D.; USTIN, S. L.

Abstract: Soil mapping demands large-scale surveys that are costly and time consuming. It is necessary to identify strategies with reduced costs to obtain detailed information for soil mapping. We aim... ...

Repository: BDPA     Publication year: 2018

Author(s): REIS, A. A. dos; WERNER, J. P. S.; SILVA, B. C.; FIGUEIREDO, G. K. D. A.; ANTUNES, J. F. G.; ESQUERDO, J. C. D. M.; COUTINHO, A. C.; LAMPARELLI, R. A. C.; ROCHA, J. V.; MAGALHÃES, P. S. G.

Abstract: Fast and accurate quantification of the available pasture biomass is essential to support grazing management decisions in intensively managed fields. The increasing temporal and spatial reso... ...

Repository: BDPA     Publication year: 2020

Author(s): CHAGAS, C. da S.; CARVALHO JUNIOR, W. de; PINHEIRO, H. S. K.; XAVIER, P. A. M.; BHERING, S. B.; PEREIRA, N. R.; CALDERANO FILHO, B.

Planning sustainable use of land resources requires reliable information about spatial distribution of soil physical and chemical properties related to environmental processes and ecosystemic function... ...

Repository: BDPA     Publication year: 2018

Author(s): TEIXEIRA, A. H. de C.

Field energy balances from irrigated and natural ecosystems, together with a net of agrometeorological stations, were used to develop a model for actual evapotranspiration (ET) quantification, based o... ...

Repository: BDPA     Publication year: 2012

Author(s): CISNEROS, A.; FIORIO, P. R.; SANTOS, P. M.; PASQUALOTTO, N.; WITTENBERGHE, S. van; SILVA, G. B. S. da; NOGUEIRA, S. F.

Abstract: Nitrogen (N) is the main nutrient element that maintains productivity in forages; it is inextricably linked to dry matter increase and plant support capacity. In recent years, high spectral... ...

Repository: BDPA     Publication year: 2020

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