852 resultados para Sistema de produção familiar


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A erosão genética de espécies domesticadas, provocada pelos processos associados a Revolução Verde despertou o interesse mundial pela agrobiodiversidade manejada em sistemas agrícolas de pequena escala onde situam-se agricultores familiares. Propostas de conservação in situ e/ou on farm têm sido elaboradas. No Brasil, a agricultura familiar tem grande importância na produção de alimentos e a mandioca (Manihot esculenta Crantz) é a espécie que se sobressai, sendo a agricultura familiar responsável por 87% da sua produção. O presente estudo teve como objetivos: um levantamento etnobotânico dos cultivos alimentícios de raízes e tubérculos de agricultores familiares do município de Rio Claro, São Paulo; e analisar aspectos sócio-econômicos visando estratégias para a conservação in situ de variedades por eles cultivadas e potencial continuidade das atividades pelas gerações futuras. Foram entrevistados 31 agricultores, em sua maioria homens, usando o método “Bola de neve”, distribuídos entre nove bairros ou distritos rurais da cidade de Rio Claro. As entrevistas realizadas para coleta dos dados foram semi-estruturadas, tanto para dados sócioeconômicos como para os dados sobre as variedades reconhecidas pelos agricultores. As entrevistas foram realizadas nos sítios dos agricultores e suas áreas de cultivo foram visitadas, onde foram feitas coletas botânicas. Os dados foram analisados de forma qualitativa utilizando-se gráficos e tabelas e descrições do estudo de caso. A espécie predominante da amostra foi a mandioca. Os agricultores mostraram possuir fatores positivos que os caracterizam como mantenedores da diversidade agrícola, como o fato de cultivarem etnovariedades de mandioca diversas e terem um sistema de caracterização e reconhecimento delas de base empírica, contudo, estes agricultores perderam, em sua maioria... (Resumo completo, clicar acesso eletrônico abaixo)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Agronomia - FEIS

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This report comes from psychological appointments to families of teenagers within the socio-educational approach of Assisted Freedom. The interventions were carried out to give teenagers the pertaining feeling to a family back and to manage conflict situations. The method included interviews and home appointments with the whole family, appointments in family groups within the institution and also with an available psychological attendance for urgent and emergent matters. In the mediator psychologist view, getting along with the family decreased teenagers feelings of abandonment and also their negative actions. Study results demonstrated the relevance of the proposal to improve the quality of the relationship between adolescents with their family, school and society in which they belong.

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Pós-graduação em Agronomia - FEIS

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Pós-graduação em Ciência da Informação - FFC

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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This study aimed to analyze the energy efficiency ratings and cost of farming families producing milk in the city of Pardinho (SP). The hypothesis that guides the study is that energy expenditure may be coincident with the economic expenditure showing that there is a relationship between these flows, which can be sustainable or not. To better define the producers studied criteria were used in the official system of rural credit FEAP. Through primary data obtained by the speeches, the itineraries were reconstituted technical detailing the operations employed. Thus, we found two producers with different technical routes. The producer was the one who got one of the highest efficiencies 8.66 and 1.48 respectively. Related to the efficiency, we can see that are close related and when there is a broader idea of the allocation of energy resources and, thus, a better view of the sustainability of the agro ecosystem.

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The study aimed to analyze the energy and economic efficiency rate family farms producing milk in the county of Pardinho, Sao Paulo State. The criteria used to define producers in this study is that outlined by the Brazilian agricultural credit system FEAP (Fund Expansion of Agribusiness Paulista). Through primary data, obtained by verbal reports, the agroecosystem technical itineraries were re-established, detailing the process applied, machinery, implements, equipment, supplies and manual work. These were transformed into energy and economic units, which allowed determining the established connection between energy economics outputs and inputs. The hypothesis of this study is that the energetic expenditure may be coincidental with economic expenditures. The energetic and economic flows were analyzed, using a structure of expenditures, by type, source and form of gross energy, as well as the energetic point of view. Four producers were found to have different technical itineraries. Producers 1 and 2 achieved the highest energy and economic efficiency rates. The producer with the lowest efficiency rates was producer 4. The energy sources not renewable like chemical fertilizers were the most used reaching an average of 82.9% for the energy and 52.86% for the economic expenditures. When comparing energy and economic efficiency it is possible to verify that both forms of analysis are close, obtaining a broader idea about energy resources allocation.

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Biodiesel is a reality in Brazil, due to the National Program of Biodiesel Production and Use (PNPB), which became mandatory in 2008 in adding 2% biodiesel in all diesel sold in a blend known as B2. The agribusiness sector responded to the federal program, facing many difficulties in biodiesel production, which highlights the supply of raw material. Problems related to biodiesel production were mainly the shortage of vegetable oil, because of demand from domestic and foreign markets, and rising prices of raw materials available for production, making this biofuel production economically feasible, even in Brazil, where agricultural production costs are among the most competitive in the world. The crambe is a specie that has aroused the interest of Brazilian producers due to oil content, hardiness, and mechanized cultivation, mainly for being a winter crop, it becomes one more option for farmers in this period. In addition, you can compose systems of crop rotation as well as being used as ground cover in winter. The aim of this study was to evaluate the potential for productive and cost of production of crambe, conducted in no-tillage system, to compare these parameters with other oil crops such as sunflower, canola and soybean. The trial was conducted in the agricultural year 2008 at the Experimental Farm Lageado belonging to the Faculty of Agronomic Sciences - UNESP, located in Botucatu - SP. The estimated yield was 1.507,05 kg ha-1, resulting in a production of 561,94 liters of oil per hectare. The cost of installation and conduct of crambe per hectare was R$ 875,87, resulting in a cost of R$ 1,56 per liter of oil, the lowest cost among the oilseed crops analyzed.