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Author(s): GREGO, C. R.; MANJOLIN, R. C.; NOGUEIRA, S. F.; RODRIGUES, C. A. G.; SILVA, G. B. S. da; CONCEIÇÃO, M. P. C.; HERLING, V. R. 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... ... |
Author(s): GUEDES FILHO, O.; VIEIRA, S. R.; CHIBA, M. K.; 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... ... |
Author(s): SOUZA, J. G. de; ALCAINA-MATEOS, J.; LANCELOTTI, C.; VIDAL-TORRADO, P.; CALEGARI, M. R.; TEIXEIRA, W. G.; MARTINS, G. C.; MACEDO, R. S.; MADELLA, M. 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... ... |
Author(s): MINGOTI, R.; PESSOA, M. C. P. Y.; SIQUEIRA, C. DE A.; 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... ... |
Author(s): BRANDÃO, Z. N.; GREGO, C. R.; GONDIM, T. M. de S.; RODRIGUES, H. M. 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... ... |
Author(s): GREGO, C. R.; VIEIRA, S. R.; XAVIER, M. A. 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... ... |
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... ... |
Author(s): JUSTO, J. F. A.; BARRETO, A. C.; SILVA, J. F. da; FERREIRA NETO, M.; SÁ, F. V. da 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... ... |
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... ... |
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... ... |
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