Agricultural Chemicals
Mostrando 13-24 de 52 artigos, teses e dissertações.
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13. Balanço energético de um sistema integrado lavoura-pecuária no cerrado.
O presente trabalho teve como objetivo avaliar um sistema integrado lavoura-pecuária sob o ponto de vista dos fluxos globais de energia. Em uma área experimental da Fazenda Capivara, localizada na Embrapa Arroz e Feijão, foi realizada uma avaliação econômica que serviu de base para esta primeira análise energética, aqui apresentada, de uma situação
Seropédica: Embrapa Agrobiologia. Publicado em: 2011
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14. Estudo dos impactos econômicos da cobrança pelo uso da água na Bacia do Rio São Francisco: uma abordagem de insumo-produto.
This work aims to simulate the economic impact of the charge for the water use of the San Francisco River Basin (Brazil) through each economic sector. The Basin has been suffering problems with water availability, either in quantity or quality. In an attempt to manage this, it is used, among other instruments, the charge for water use. The purpose is to redu
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/12/2010
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15. Um estudo sobre as condições de vida e a qualidade do saneamento ambiental local como fatores de interferência para o desenvolvimento de práticas agroecológicas um estudo de caso / A study on the conditions of life and quality of environmental sanitation place as factors for the development of interference agroecological practices a case study
The present study aimed mainly to carry out a mapping of living conditions and quality of environmental sanitation in the Assentamento Horto Loreto, SP.The objective was to determine the outcome of the inter-relation living conditions / local environmental sanitation may be factors affecting the development of agroecological practices in the study area. It a
Publicado em: 2010
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16. Blendas a base de biopolímeros para liberação controlada de agroquímicos
A incorporação e encapsulamento de fertilizantes em blendas poliméricas são métodos que podem ser usados para reduzir perdas e minimizar a poluição ambiental. Neste trabalho, blendas de Proteína Isolada de Soja (SPI) e Poli(ácido lático) (PLA) foram usadas para incorporar o fertilizante NPK (nitrogênio, fósforo e potássio) granular. A influênci
Publicado em: 2010
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17. Hematological and enzymatic evaluation and measurement of metal levels in occupational exposure to agricultural chemicals and fertilizers. / Avaliação hematológica, atividade enzimática e níveis de metais na exposição ocupacional aos defensivos agrícolas e fertilizantes
Advancements in the agrochemical industry associated with new seeding techniques make it possible for the country to reach annual crop records in production. However, the chemicals and fertilizers used for increasing productions are by no means harmless to human health. Repeated and inadequate exposures to such chemicals may result in their absorption and ca
Publicado em: 2009
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18. Retenção de metais pesados em solos agricultáveis do Estado de Goiás / Retention of heavy metals in agricultural soils of the State of Goiás
The intensification of the use of land for farming has caused great concern, mainly due to the impacts that these activities are causing the environment, particularly with regard to its contamination by chemicals. The application of chemicals and waste ground and in several, or in plants in order to take agronomically solid waste, improve productivity and in
Publicado em: 2009
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19. Investigação e avaliação da toxicidade aguda dos agrotóxicos mais utilizados no cinturão verde da Grande Natal (RN, Brasil) para o peixe-zebra (Danio rerio Hamilton Buchanan, 1822, Teleostei, Cyprinidae / Investigation and Evaluation of the acute toxicity of the agricultural chemicals most used in the green belt of Natal (RN, Brasil) on the Zebrafish (Danio rerio Hamilton Buchanan-1822, Teleostei, Cyprinidae)
The objectives of this research were to investigate the agrotoxic most used in the Gramorezinho region in the green belt of Natal, and to evaluate the acute toxicity of these, based on the LC50-48h values estimated in tests for Danio rerio, internationally used as test organism. The acute toxicity tests were performed under laboratory conditions, according t
Publicado em: 2009
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20. Inovação tecnológica como fonte de vantagem competitiva na indústria de defensivos agrícolas
This work, performed in line with business strategy, addresses the issues of technological innovation and competitive advantage. The study aims to determine the relationship between technological innovation and competitive advantage of companies in the sector of agricultural chemicals. For it to be answered, a descriptive study was conducted through a quanti
Publicado em: 2009
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21. Estudo da influência da urbanização na condição hídrica da Bacia do Rio do Cobre - Salvador-Bahia / Study of the influence of urbanization on water status of the Copper River Basin -Salvador-Bahia
This dissertation focuses the influence of the process of urbanization in urban basin. The study encloses the Basin of River Cobre, situated in the geographic region of the Rail Suburb, in Salvador city, Bahia State. Two objectives were defined: to study the influence of the process of urbanization in the generation of factors which impact the quality of wat
Publicado em: 2009
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22. Sustainability of agricultural model: a case of study. / Sustentabilidade do modelo agrícola: um estudo de caso
Growth and economic development are different concepts. Growth refers to amount of wealth produced by society while economic development refers to quality of life of the people in society. The main goal of the work was characterize the survival of farmers in the rural communities located in the down stream area of Faé watershed. This watershed belongs to ba
Publicado em: 2009
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23. Rural credit and agricultural supply in Brazil / Crédito rural e oferta agrícola no Brasil
The rural credit program was created in the late 1960s and became one of the most important agricultural policies in Brazil. It has been subsidized throughout the years, with its interest rate becoming smaller than the market interest rate. The main objective of the Rural Credit Program was to increase technology adoption and production. However, the financi
Publicado em: 2008
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24. The use of geo-technologies to evaluate the potentiality of hydro-degradation in superficial waters by agro-chemicals : case of Antas River watershed, Bueno Brandão, MG / Utilização de geotecnologias para a avaliação do potencial de degradação hidrica das aguas superficiais por agroquimicos : caso da sub-bacia do Rio das Antas, Bueno Brandão, MG
In the county of Bueno Brandão, South of MG, the Antas River Watershed is located before the water supply area and is susceptible to hydro-degradation due to the damaging agricultural activities-chemicals was evaluated by the use of geotechnologies. The potato cropping is a remarkable activity among them due to the following features: intensive use of agro-
Publicado em: 2008