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A spatially distributed hydroeconomic model to assess the effects of drought on land use, farm profits, and agricultural employment. Author(s): MANETA, M. P.; TORRES, M. O.; WALLENDER, W. W.; VOSTI, S.; HOWITT, R.; RODRIGUES, L. N.; BASSOI, L. H.; PANDAY. S. In this paper a high-resolution linked hydroeconomic model is demonstrated for drought conditions in a Brazilian river basin. The economic model of agriculture includes 13 decision variables that can... ... Repository: BDPA Publication year: 2009
Determinants of profitability in Minas Gerais dairy farms. Author(s): RESENDE, J. C. de; FREITAS, A. F. DE; NORONHA, J. F.; PEREIRA, M. N. Repository: BDPA Publication year: 2010
Tilapia small cage farm in Sobradinho lake, Brazil: production and profitability of small farming associations. Author(s): CAMPECHE, D. F. B.; LIMA, J. R. F. de; CORREIA, R. C. The present work aimed to develop in two tilapia small farmers associations, during three production cycles, an adequate production management and control that could lead them to a higher productivity... ... Repository: BDPA Publication year: 2016
Long-term no-fire conservation agriculture diversifies production on a sandy Acrisol in Acre state, southwestern Brazilian Amazon. Author(s): COSTA, F. de S.; DICK, D. P.; CAMPOS FILHO, M. D.; LAMBERTUCCI, D. M.; TAVELLA, L. B. The conservation agriculture (CA) needs "no-fire" (no-fire CA) in Brazilian Amazon, where slash-and-burn agriculture (SBA) is still common, which decrease soil organic matter (SOM) and increase greenh... ... Repository: BDPA Publication year: 2021
Conservation agriculture (CA) has to move on. Author(s): LANDERS, J. N.; FREITAS, P. L. de; CARVALHO, M. O. de; SILVA NETO, S. P. da; RALISCH, R. After nearly five decades, zero tillage (no-till), the bedrock of CA, is dejá vu in Brazil. But CA is not just leaving the soil protected with residues or cover crops and planting/drilling crops... ... Repository: BDPA Publication year: 2021
Economic feasibility of implementing an infrastructure for collecting rainwater from the roof of free-stall sheds. Author(s): DEMEU, F. A.; LOPES, M. A.; PALHARES, J. C. P.; LIMA, A. L. R. DE; CARVALHO, F. DE M.; LOPES FILHO, M. A.; DEMEU, A. A.; VIDAL, D. A.; LIMA, M. DE L.; BARBARI, M. This study aimed to analyze the economic feasibility of implementing and using the necessary infrastructure to collect rainwater from the roof of free-stall sheds in a dairy production system in south... ... Repository: BDPA Publication year: 2021
Economic viability of implementing an infrastructure for recycling bedding sand from a free-stall facility for dairy cows. Author(s): LOPES, M. A.; DEMEU, F. A.; REIS, E. M. B.; LIMA, A. L. R.; CARVALHO, F. DE M.; PALHARES, J. C. P.; COSTA, G. M. DA; PINHEIRO, M. V. G.; DEMEU, A. A. This study proposes to examine the economic viability of implementing the necessary infrastructure for the recycling of bedding sand from a free-stall facility in a milk production system in southern... ... Repository: BDPA Publication year: 2021
Caracterização e análise da rentabilidade financeira de um modelo de sistema agroflorestal desenvolvido em parceria com produtores do Reca. Author(s): SA, C. P. de; OLIVEIRA, T. K. de; BAYMA, M. M. A.; OLIVEIRA, L. C. de Este estudo caracteriza e analisa a rentabilidade financeira de um modelo de sistema agroflorestal desenvolvido em parceria com produtores do Projeto Reca. Repository: BDPA Publication year: 2008
Coeficientes técnicos e avaliação financeira para o cultivo do amendoim nos municípios de Senador Guiomard e Plácido de Castro, Estado do Acre: sistema de produção típico. Author(s): SA, C. P. de; SILVA, F. de A. C.; LOUREIRO, R. L. L.; DIÓGENES, F. R. A. Este trabalho apresenta os coeficientes técnicos e avaliação financeira para o cultivo do amendoim nos municípios de Senador Guiomard e Plácido de Castro, Estado do Acre. Repository: BDPA Publication year: 2010
Annual crop rotation of tropical pastures with no-till soil as affected by lime surface application. Author(s): CRUSCIOL, C. A. C.; MARQUES, R. A.; CARMEIS FILHO, A. C. A.; SORATTO, R. P.; COSTA, C. H. M.; FERRARI NETO, F.; CASTRO, G. S. A.; PARIZ, C. M.; CASTILHOS, A. M DE Soil acidity and low natural fertility are the main limiting factors for grain production in tropical regionssuch as the Brazilian Cerrado. The application of lime to the surface of no-till soil can i... ... Repository: BDPA Publication year: 2016

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