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Author(s): SILVA, L. A. da; TEIXEIRA, S. C. G.; PEREZ, D. V.; MARQUES, M. R. da C.
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Author(s): OKUMURA, F.; AMARAL, R. B.; ORESTES, E.; SILVA, A. B. F.; MAZO, L. H. This work describes an electrochemical and quantum chemical investigation of the fipronil insecticide. Cyclic voltammetry (CV) and square wave voltammetry (SWV) experiments were performed over a graph... ... |
Author(s): COSTA, N. de L.; JANK, L.; MAGALHAES, J. A.; RODRIGUES, A. N. A.; BENDAHAN, A. B.; GIANLUPPI, V.; RODRIGUES, B. H. N.; SANTOS, F. J. de S. In this work were avaluated the effects of pasture rest periods on forage accumulation, chemical composition and morphogenic and structural characteristics of Megathyrsus maximus cv. Tamani in the Ror... ... |
Author(s): SILVA, D. L. S.; OLIVEIRA, K. P.; AROEIRA, L. J. M.; CHAVES, D. F.; PONCIANO, M. F.; BRAGA, A. P.; LIMA JUNIOR, D. M. Abstract: Chemical composition of some potential forages species, natives from Caatinga region, were evaluated. Samples of Macroptilium heterophyllum, Stylosanthes humilis, Rhynchosia mÃnima, Desmodi... ... |
Author(s): BRIGE, F. A. A.; AMABILE, R. F.; MALAQUIAS, J. V.; CELESTINO, S. M. C.; FAGIOLI, M.; DELVICO, F. M. dos S.; VEIGA, A. D.; SALA, P. I. A. L. The objective of this study was to identify the genetic, phenotypic and environmental parameters related to chemical compounds associated with beverage quality in a conilon coffee collection, grown in... ... |
Author(s): FIGUEIREDO, R. de O.; MARKEWITZ, D.; DAVIDSON, E. A.; SCHULER, A. E.; WATRIN, O. dos S.; SILVA, P. de S. The objectives of this study are to investigate chemical changes in stream water in response to land use change under the geologic and soil conditions of the eastern Amazon. We used an upstream-downst... ... |
Author(s): SOUZA, A. V. de; SANTOS, U. S. dos; SOUZA, M. D. de; BISPO, L. dos P.; ALMEIDA, J. R. G. da S. Objectives to elucidate the chemical composition of the essential oil from leaves of C. conduplicatus collected in dry and rainy season. Methods: Fresh leaves of Croton conduplicatus Kunth. were colle... ... |
Author(s): COSTA, F. da S.; MORAES, A. da S. de; FERREIRA, N. dos S.; BORGES, W. L. Applying biofertilizers made from wastes from tropical forest agroextrativism to improve the fertility of acidic and nutrient-poor soils is a viable strategy for sustainable development of family farm... ... |
Author(s): SILVEIRA, P. M. da; NASCENTE, A. S.; CARVALHO, M. da C. S. In tropical regions, a greater phytomass addition to the soil can help to improve soil quality. Additionally, the use of limestone is a fundamental practice in weathered soils of these regions. The ob... ... |
Author(s): LEAL, P. C.; MASSUQUETTO, A.; SANTOS, M. C. dos; BRUNO, L. D. G.; KRABBE, E. L.; FELIX, A. P.; MAIORKA, A. Abstract - The objective of this study was to analyze the physical-chemical characteristics of corn lots with different ratios of damaged to intact grains, considering the interaction between them. Re... ... |
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