Agriculture Census
Mostrando 13-21 de 21 artigos, teses e dissertações.
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13. Agricultural production function and total factor productivity Brazil, 1995-96 / Função de produção para a agricultura e produtividade total dos fatores Brasil, 1995-96
Using data from the Agricultural Census of 1995-96 and the Demographic Censuses of 1991 and 2000, this dissertation first estimate a Cobb-Douglas production function. The value of production is calculated in order to control the effect of regional prices. Traditional factors (labor, land, fertilizers and capital) and human capital (years of schooling and mar
Publicado em: 2007
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14. Quantification of the permanent preservation and legal reserve areas and of their economic impacts in the Rio Pomba basin in Minas Gerais / Quantificação das áreas de preservação permanente e reserva legal e de seus impactos econômicos na Bacia do Rio Pomba em Minas Gerais
The main objective of this study was to evaluate the economic impact of the establishment of permanent preservation areas (APPs) and of the legal reserve areas (ARLs) in properties of the basin of the Rio Pomba, Forest Zone of the State of Minas Gerais, in the municipality of Rio Pomba, Brazil. The work sampling was composed of 47 rural properties, which cor
Publicado em: 2006
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15. Classificação de semeadoras-adubadoras de precisão para o sistema plantio direto conforme o indice de adequação
No-Tillage Farming is consecrated in agriculture nowadays. However many information is still far from the farmers, especially those related to the technology used by the machinery manufacturers in offering no-till and precision models planting and fertilizing equipment. The most important information vehicle about the planters is the manufacturer s catalogue
Publicado em: 2003
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16. Análise da relação entre o desflorestamento e a atividade agropecuária no Estado do Mato Grosso / An analysis of the relationship between deforestation and agricultural activities in the state of Mato Grosso
Deforestation in the tropics is commonly associated to population increase and poverty. Deforestation in Brazilian Amazonia has been monitored in an annual scale, revealing annual deforestation rates in the range of 1-3 million hectares per year and a total deforested area of approximately 60 million hectares in the beginning of the XXI century. Nonetheless,
Publicado em: 2002
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17. Tipificação de produtores rurais apoiada em imagens de alta resolução espacial, geoprocessamento e estatistica multivariada
The difficulty of gathering relevant information on land use and agricultural production in Brazil - a task hindered by the vastness of its territory, the dynamic of land use and the lack of financial resources - prevents the updating of cartographic and numerical data via agricultural census. The last, carried out every 10 years, is already obsolete when it
Publicado em: 2002
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18. Laryngeal cancer in Denmark: a nationwide longitudinal study based on register linkage data.
To identify high and low risk groups for laryngeal cancer in Denmark, all individuals aged 30-74 in the 1970 census were followed up over 10 years. Census data were linked with the Central Population Register to identify persons who died or emigrated during the follow up, and with the Danish Cancer Register to identify cases of laryngeal cancer. Individuals
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19. Zoonotic illness--determining risks and measuring effects: association between current animal exposure and a history of illness in a well characterised rural population in the UK.
STUDY OBJECTIVES--To recruit a representative sample of farmworkers, accurately quantify the range and extent of their animal exposures, and measure the associated risks of illness. DESIGN--Inception cohort. SETTING--The study was undertaken among farmworkers living in five local authority areas in the catchment of Hereford and Preston Public Health Laborato
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20. Risk of malignant lymphoma in Swedish agricultural and forestry workers.
The risk of malignant lymphoma after possible exposure to phenoxy acid herbicides was studied in 354,620 Swedish men who, according to a national census in 1960, were employed in agriculture or forestry. The cohort was divided into subcohorts according to assumed exposure and compared with 1,725,645 Swedish men having other economic activities. All were foll
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21. Cancer risk among Danish and Italian farmers.
Cancer risk for farmers in Denmark and Italy was studied by linking occupational census data with incidence of cancer in Denmark and with cancer mortality in Italy. Farmers in the two countries had a consistent risk reduction for cancer of the lung, bladder, small intestine, colon, rectum, and prostate. No excess of stomach cancer was found among farmers in