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Stochastic frontier approach to agricultural production including technical effects: the brazilian agricultural censures of 1995-1996 and 2006. Author(s): SOUZA, G. da S. e; ALVES, E. R. de A.; GOMES, E. G. In this paper we analyze the impact of Embrapa’s research on the technical efficiencies of Brazilian farmers, particularly the poor. Using a stochastic frontier approach, we estimate a production func... ... Repository: BDPA Publication year: 2013
Using stochastic frontier approach to assess technical efficiency in Brazilian agriculture. Author(s): SOUZA, G. da S. e; WANDER, A. E.; GOMES, E. G.; GAZZOLA, R. The objective of this study was to determine the technical efficiency of agriculture and livestock production of the 27 Brazilian states. Since there are regional variations regarding the way the agri... ... Repository: BDPA Publication year: 2009
Hydraulic conductivity in sandy soils of the Brazilian agricultural frontier. Author(s): ALBANI, F. J. R.; DONAGEMMA, G. K. In this study, we investigate the correlations between SHC, measured as steady-state infiltration rate (SSIR), and soil physical attributes, such as texture, bulk density, and porosity, in sandy soils... ... Repository: BDPA Publication year: 2024
Prediction of genotypic values of maize for the agricultural frontier region in northeastern Maranhão, Brazil. Author(s): ARNHOLD, E.; MORA, F.; PACHECO, C. A. P.; CARVALHO, H. W. L. de Agricultural research, mainly focused on the evaluation of maize cultivars along agricultural frontiers, are scarce. This study assessed 128 maize genotypes in the agricultural frontier region of the... ... Repository: BDPA Publication year: 2012
Innovative approach to address challenges and opportunities to conservation agriculture adoption in Brazilian agricultural frontier. Author(s): FREITAS, A. A.; BARBOSA, C. F.; SANTOS, D.; BORTOLON, E. S. O.; BORGHI, E.; AVANZI, J. C.; BORTOLON, L.; CAMPOS, L. J. M.; ALCANTARA, P. H. R.; GUARDA, V. D. A. Brazilian agriculture is facing another expansion cycle to the Cerrado region, more specific in the Northeast. The first agriculture expansion cycle to the Midwest was in seventies encouraged and deve... ... Repository: BDPA Publication year: 2014
Examining the sustainability and development challenge in agricultural-forest frontiers of the Amazon Basin through the eyes of locals. Author(s): BLANCO-GUTIÉRREZ, I.; MANNERS, R.; VARELA-ORTEGA, C.; TARQUIS, A. M.; MARTORANO, L. G.; TOLEDO, M. The Amazon basin is the world's largest rainforest and the most biologically diverse place on Earth. Despite the critical importance of this region, Amazon forests continue inexorably to be degraded a... ... Repository: BDPA Publication year: 2020
Plant diversity conservation in an agricultural frontier in the Brazilian Cerrado. Author(s): SANTANA, J. C. de O.; SIMON, M. F. Repository: BDPA Publication year: 2022
Technical efficiency in brazilian agriculture: a stochastic frontier approach. Author(s): SOUZA, G. da S. e; GOMES, E. G.; GAZZOLA, R.; SOUZA, R. da S. e; OLIVEIRA, M. P. Repository: BDPA Publication year: 2009
Environmental correlates of hunting and bushmeat consumption in the Amazonian agricultural frontier. Author(s): TORRES, P. C.; MORSELLO, C.; PARRY, L.; GARDNER, T.; BARLOW, J.; FERREIRA, J.; PARDINI, R. Repository: BDPA Publication year: 2012
High rates of lime can improve soybean-millet performance in the Matopiba Agricultural Frontier of Brazil. Author(s): SOUZA, H. A. de; ANDRADE, H. A. F. de; SOUSA, D. C. de; COSTA, P. M.; COSTA, C. P. de M.; OLIVEIRA JUNIOR, J. O. L. de; ALCANTARA, R. M. C. M. de; MENZA, N. C. La; SAGRILO, E. Soil acidity is a major limitation to crop productivity, in tropical soils. The MATOPIBA region present irregular distribution of rainfall, and the lime reaction effectively begins with the beginning... ... Repository: BDPA Publication year: 2024

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