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Scale of operation, allocative inefficiencies and separability of inputs and outputs in agricultural research. Author(s): SOUZA, G. da S. e; GOMES, E. G. In this article we consider some properties of concern for research production at Embrapa. We apply statistical tests to address questions related to the scale of operation, the presence of allocative... ... Repository: BDPA Publication year: 2013
Scale of operation, allocative inefficiencies and separability of inputs and outputs in agricultural research: Embrapa case study. Author(s): SOUZA, G. da S. e; GOMES, E. G. In this article we consider some properties of concern for research production at Embrapa. We address questions related to statistical tests for the scale of operation, the presence of allocative inef... ... Repository: BDPA Publication year: 2011
Embedded sensing system to control variable rate agricultural inputs. Author(s): TANGERINO, G. T.; SOUSA, R. V.; PORTO, A. J. V.; INAMASU, R. Y. Repository: BDPA Publication year: 2010
Evaluation of inductively coupled plasma tandem mass spectrometry for determination of as in agricultural inputs with high REE contents. Author(s): MACHADO, R. C.; VIRGILIO, A.; AMARAL, C. D. B. do; SCHIAVO, D.; NOBREGA, J. de A.; NOGUEIRA, A. R. de A. In the present work, an inductively coupled plasma-tandem mass spectrometer (ICP-MS/MS) operating in single quadrupole and mass shift modes were evaluated for As determination in mineral fertilizers a... ... Repository: BDPA Publication year: 2016
The Brazilian beef supply chain and food security: a productive inputs view. Author(s): CASAGRANDA, Y. G.; MORES, G. de V.; CASAROTTO, E. L.; DAL MORO, L.; ABRAHÃO, A. F. S.; MALAFAIA, G. C. The alignment of food production systems with the trends and demands of the world population plays an important global role. This study aims to discuss the convergence of trends related to the Brazili... ... 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.; 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... ... Repository: BDPA Publication year: 2024
Potential improvement of agricultural output for major producers based on DEA efficiency measurements. Author(s): SOUZA, G. da S. e; MOREIRA, T. B. S.; GOMES, E. G. In this article we perform production efficiency analysis for the 40 countries with largest value added by agricultural sector in 2005. Under the assumption of a nonparametric frontier and production... ... Repository: BDPA Publication year: 2011
The dynamism of brazilian agriculture. Author(s): CONTINI, E.; GASQUES, J. G.; ALVES, E. R. de A.; BASTOS, E. T. The Brazilian industrialization process was fundamental to modernize agriculture, creating in cities the demand for food and other inputs. Under this process, three agriculture policy instruments were... ... Repository: BDPA Publication year: 2010
Creole seeds: productive resilience and adaptation to climatic changes. Author(s): MORAES, V. L. A. DE; LIMA, P. H. C. It was only after the last glaciation, around 10,000 B.C., that climate changes allowed for greater development of agriculture. The end of the last ice age transformed climatic conditions in various w... ... Repository: BDPA Publication year: 2024
Precision and digital agriculture: adoption of technologies and perception of Brazilian farmers. Author(s): BOLFE, E. L.; JORGE, L. A. de C.; DEL'ARCO SANCHES, I.; LUCHIARI JUNIOR, A.; COSTA, C. C. da; VICTORIA, D. de C.; INAMASU, R. Y.; GREGO, C. R.; FERREIRA, V. R.; RAMIREZ, A. R. Abstract: The rapid population growth has driven the demand for more food, fiber, energy, and water, which is associated to an increase in the need to use natural resources in a more sustainable way.... ... Repository: BDPA Publication year: 2020

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