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Potential adoption and impact of Embrapa 5.1 GM common bean for small and middle size farms in Brazil. Author(s): WANDER, A. E.; CHAVES, M. O.; GONZAGA, A. C. de O. In September 15, 2011, an official Brazilian authority institution approbated the commercial release of the first trait of genetically modified common beans. This trait represents a milestone in genet... ... Repository: BDPA Publication year: 2013
A description of the culture of tambatinga (Colossoma macropomum x Piaractus brachypomus) in a South American tropical region and the interaction of farm size with value chains. Author(s): GILSON, F.; RODRIGUES, L. A.; NEW, M. B.; BUENO, G. W.; W. C. Valenti Understanding the economic efficiency of pond-based fish culture in tropical developing countries is essential for defining development programs. This study was designed to describe the aquaculture of... ... Repository: BDPA Publication year: 2024
Three decades of changes in Brazilian municipalities and their food production systems. Author(s): SILVA, R. F. B. da; BATISTELLA, M.; MILLINGTON, J. D. A.; MORAN, E.; MARTINELLI, L. A.; DOU, Y.; LIU, J. Abstract: Agricultural systems are heterogeneous across temporal and spatial scales. Although much research has investigated farm size and economic output, the synergies and trade-offs across various... ... Repository: BDPA Publication year: 2020
Composite edible films reinforced by nano-sized particles, fibers and emulsions. Author(s): McHUGH, T. H.; AVENA-BUSTILLOS, R. J.; BILBAO-SAINZ, C.; MOURA, M. R. de; AZEREDO, H. M. C. de; MATTOSO, L. H. C. Repository: BDPA Publication year: 2010
Sample size and power caculations for body weight in beef cattle. Author(s): PAZ, C. C. P.; FREITAS, A. R. de F.; TAMBASCO-TALHARI, D.; REGITANO, L. C. de A.; ALENCAR, M. M. de Repository: BDPA Publication year: 2005
Efficiency of calf production of cows from two genetic groups. Author(s): ÍTAVO, L. C. V.; EUCLIDES FILHO, K.; TORRES JUNIOR, R. A. de A.; ÍTAVO, C. C. B. F.; NOGUEIRA, E.; DIAS, A. M. The objective was to evaluate the effect of weight, age and production efficiency of cows from genetic groups based on the calf weight at calving and at weaning. For a period of five years, data of 12... ... Repository: BDPA Publication year: 2014
Spatial genetic structure, genetic diversity and pollen dispersal in a harvested population of Astrocaryum aculeatum in the Brazilian Amazon. Author(s): FERREYRA RAMOS, S. L.; DEQUIGIOVANNI, G.; SEBBENN, A. M.; LOPES, M. T. G.; KAGEYAMA, P. Y.; MACEDO, J. L. V. de; KIRST, M.; VEASEY, E. A. Astrocaryum aculeatum is a palm tree species native to the tropical regions of South America, exploited commercially by local farmers for the pulp extracted from its fruits. The objective of this rese... ... Repository: BDPA Publication year: 2016
Características e sustentabilidade de sistemas de produção de caprinos leiteiros no Nordeste do Brasil. Author(s): OLIVEIRA, L. S. Resumo: Objetivou-se caracterizar a diversidade socioeconômica, produtiva e estrutural e avaliar a sustentabilidade nas dimensões econômica, social e ambiental de sistemas de produção de caprinos nas... ... Repository: BDPA Publication year: 2020
Ovarian assessment for pre-selection of embryo donor ewes. Author(s): BRASIL, O. O.; MOREIRA, N. H.; SOUTO, P. L. G.; SILVA, C. M. G. da; RAMOS, A. F. Repository: BDPA Publication year: 2022
X-ray Microtomography for Investigating Pore Space and Its Relation to Water Retention and Conduction in Highly Weathered Soils. Author(s): PESSOA, T. N.; FERREIRA, T. R.; PIRES, L. F.; COOPER, M.; UTEAU, D.; PETH, S.; VAZ, C. M. P.; LIBARDI, P. L. Abstract: Soil structure controls soil hydraulic properties and is linked to soil aggregation processes. The aggregation processes of Oxisols are controlled mainly by clay mineralogy and biological ac... ... Repository: BDPA Publication year: 2023

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