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Geostatistical Analysis of NDVI in rotational and continuous grazing pastures. Author(s): GREGO, C. R.; NOGUEIRA, S. F.; RODRIGUES, C. A. G.; SILVA, G. B. S. da Livestock rearing is an important economical activity in Brazil, and its production is affected by pasture management methods. In this context, the use of geostatistics to analyze the spatial variabil... ... Repository: BDPA Publication year: 2016
Geostatistical analysis of crop yield maps in a long term no tillage system. Author(s): GREGO, C. R. It is known, for a long time, that crop yields are not uniform at the field. In some places, it is possible to distinguish sites with both low and high yields even within the same area. This work aime... ... Repository: BDPA Publication year: 2010
Spatial analysis of Amazonian Dark Earth formation supports an anthropic origin at the Caldeirão site, Brazil. Author(s): TEIXEIRA, W. G.; MARTINS, G. C. Amazonian Dark Earths (ADEs) are distinct archaeological sites in the Amazon, characterized by their enriched nutrient content in soil layers. While activities related to human occupation are acknowle... ... Repository: BDPA Publication year: 2025
Zoning Map of Favorable Areas for the Major Occurrence of Thaumastocoris peregrinus in Brazil. Author(s): MINGOTI, R.; PESSOA, M. C. P. Y.; MARINHO-PRADO, J. S. ABSTRACT: Native of Australia, Thaumastocoris peregrinus (Eucalyptus bronze bug) is a Eucalyptus insect pest which was firstly detected in Brazil in June 2008. Some studies have shown favorable areas... ... Repository: BDPA Publication year: 2021
Estimation of nitrogen and phosphorus content in cotton leaves from medium-resolution satellite images. Author(s): BRANDÃO, Z. N.; GREGO, C. R.; GONDIM, T. M. de S. Satellite images are valuable tools to assess the nutritional status of plants and, thus, understand the variability of cotton yield in farmers' fields. By identifying soil variability and nutritional... ... Repository: BDPA Publication year: 2024
Spatial variability of some biometric attributes of sugarcane plants (variety IACSP93-3046) and its relation to physical and chemical soil attributes. Author(s): GREGO, C. R. Tests to evaluate competition between plants, in general do not consider the soil spatial variability, nevertheless, the uniformity rarely is present and can not be assumed without verification. The a... ... Repository: BDPA Publication year: 2010
Aspects of the silvopastoral system correlated with properties of a Typic Quartzipsamment (ENTISOL) in Mato Grosso do Sul, Brazil. Author(s): CORRÊA, A. R.; MONTANARI, R.; LAURA, V. A.; MELOTTO, A. M.; SILVA, E. N. S. da; PELLIN, D. M. P.; SANTOS, A. S. dos In Brazil, grazing mismanagement may lead to soil and pasture degradation. To impede this process, integrated cropping systems such as silvopasture have been an effective alternative, allied with prec... ... Repository: BDPA Publication year: 2015
Identification and diagnosis of salt-affected soils in the Baixo-Açu irrigated perimeter, RN, Brazil. Author(s): OLIVEIRA, R. P. de Soil salinization is one of the main environmental problems in arid and semi-arid regions. Thus, the objective of this study was to evaluate the problems of soil salinity in an area of the Baixo-Açu I... ... Repository: BDPA Publication year: 2021
Variabilidade espacial da produtividade da soja e da condutividade elétrica de um Latossolo Bruno. Author(s): OLIVEIRA, F. A. de; FRANCHINI, J. C.; DEBIASI, H. A condutividade elétrica (CE) do solo tem sido utilizada como uma variável que se correlaciona com características do solo. No entanto existem poucas informações sobre sua relação com a produtividade... ... Repository: BDPA Publication year: 2011
Analysis of pest incidence on apple trees validated by unsupervised machine learning algorithms. Author(s): SPERANZA, E. A.; GREGO, C. R.; GEBLER, L. ABSTRACT. Integrated pest control is a practice commonly used in apple orchards in southern Brazil. This type of management is an important tool to help improve quality and increase yields. This study... ... Repository: BDPA Publication year: 2022

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