Economic Of Cotton
Mostrando 13-24 de 35 artigos, teses e dissertações.
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13. Caracterização dos danos de Spodoptera eridania (Cramer) e Spodoptera cosmioides (Walker) (Lepidoptera: Noctuidae) a estruturas de algodoeiro
The cotton plant, Gossypium hirsutum, hosts various pests that damage different structures. Among these pests, Spodoptera cosmioides (Walker) and Spodoptera eridania (Cramer) (Lepidoptera: Noctuidae) are considered important. The objectives of this study were to characterize and to quantify the potential damage of S. eridania and S. cosmioides feeding on dif
Neotropical Entomology. Publicado em: 2010-08
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14. Economic effects of climate change´s scenarios in Brazilian agriculture: an exercise from a computable general equilibrium model / Efeitos econômicos de cenários de mudança climática na agricultura brasileira: um exercício a partir de um modelo de equilíbrio geral computável
The outlook of climate change is especially important for the farming sector, an economic activity where connection with natural cycles is strong. The objective of this thesis is to calculate economic impacts in scenarios of climatic change for Brazilian agriculture. Effect on appropriate areas of eight harvests (beans, maize, soy, cotton, rice, sugar cane,
Publicado em: 2010
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15. Sources of potassium in cover fertilization for cotton crops - biometric attributes, production components, fiber quality and economic analysis / Fontes de potássio na adubação de cobertura do algodoeiro produtividade, diagnose foliar, qualidade de fibras e análise econômica
Conduziu-se um experimento em lavoura comercial de algodão, em Sapezal MT, no ano agrícola 2007/2008, com o objetivo de avaliar o efeito de diferentes fontes de potássio na adubação de cobertura, sobre atributos biométricos, componentes de produção, qualidade de fibras, viabilidade econômica e sobre o estado nutricional do algodoeiro. O delineamento
Publicado em: 2008
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16. Estabilidade fenotípica de genótipos de algodoeiros obtidos por semigamia no Estado de Minas Gerais
The objectives of this research were: to evaluate the performance of doublehaploid cotton genotypes (HD) in relation to their parental genotypes in three contrasting environments of the state of Minas Gerais, Brazil, and to determine the possible genotype by environment interactions and stability and adaptability parameters. In the state of Minas Gerais, Bra
Publicado em: 2008
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17. Suplementação múltipla para bovinos manejados a pasto em recria e terminação / Supplementation for growing and finishing beef cattle on pasture
This thesis was elaborated upon five experiments conducted with the purpose of evaluating the protein supplementation for beef cattle on pature effects on the productive and economic development, and nutritional characteristics. The Experiments 1 and 2 were conducted with the purpose of evaluating the protein sources in supplements for growing crossbred stee
Publicado em: 2007
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18. Courtship behavior and sexual selection determined by size and symmetry in Dysdercus maurus Distant, 1901 (Hemiptera: Pirrhocoridae) / Comportamento de corte e cópula e papel do tamanho e simetria na seleção sexual de Dysdercus maurus Distant, 1901 (Hemiptera: Pirrhococoridae)
This study investigated the hole of size and corporal symmetry in the sexual selection of D. maurus, an insect-plague responsible for serious economic injuries in cotton cultures. Aspects of the courtship and mating behavior of this species were also described. In order to obtain the morphometric measurements, 30 single males and 30 couples were used for sli
Publicado em: 2007
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19. Metodologia para determinação do valor de empresas de biocombustíveis no Brasil / Valuation of biofuel companies in Brazil
Brazil still comes if detaching as pioneering in the development of a sector incipient in the world-wide scope. A sector that presents national technology and takes care of to a search for ecological solutions front to a social requirement each narrower time for the reduction of pollutants. This sector is known as that we can mention the alcohol production,
Publicado em: 2007
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20. Sistemas de irrigação e manejo de água na produção de sementes / Irrigation systems and water management for seed production
High quality seed production, in na economically feasible way, demands for appropriate use of the available production technologies, like irrigation, wich is often considered as a guaranteed way to improve and ensure yield. However, many factors contribute for not reaching the full economic results this technique allows for. Among these factors are inadequat
Publicado em: 2007
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21. Briquettes of lignocellulosic residues as a potential energetic source for burning ceramic blocks: application in an industry of red ceramic that supplies Distrito Federal / Briquetes de resíduos ligno-celulósicos como potencial energético para a queima de blocos cerâmicos : aplicação em uma indústria de cerâmica vermelha que a bastece o Distrito Federal
Red ceramic industry in the civil construction productive network is one of the industries that more consumes energy, especially in its burning products stage. In some cases, as in Distrito Federal and the state of Goiás, the areas considered in this work, the most consumed fuel by the industries was the native firewood. Is spite of that, according to Assoc
Publicado em: 2007
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22. The restructuring of the Brazilian cotton sector: economic, institutional, and technological factors / A reestruturação da cotonicultura no Brasil: fatores econômicos, institucionais e tecnológicos
Brazilian cotton prices have been decreasing since the 1970s. Even after the restructuring of the sector, in 1990s, cotton production has been increasing in a great pace. This paper argues that this performance is directly related to technological (supply) and marketing (demand) factors. Entrepreneurial and management abilities were essential to Brazilian gr
Publicado em: 2006
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23. THE BIODIESEL PRODUCTIVE CHAIN: AN ECONOMIC EVALUATION FOR THE BAHIA CASE / A CADEIA PRODUTIVA DO BIODIESEL: UMA AVALIAÇÃO ECONÔMICA PARA O CASO DA BAHIA
Issues concerning renewable energies have been considered very important in Brazil and are now being the arena of many local political and economic discussions. In spite of being the biodiesel deeply investigated, regional characteristics of this biofuel have not been enough analyzed. Therefore, this master dissertation contributes to the analysis of the tra
Publicado em: 2006
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24. Farelo de algodão na alimentação de coelhos em crescimento. / Growth of young rabbits receiving for levels of cotton seed meal
Two experiments were carried out aiming to evaluate the effect of cotton seed meal on the growth of rabbits. Eight rabbits 50 days of age (four males and four females) were utilized in the digestibility trial. The experimental period lasted for 12 days (8 days for adaptation and 4 days of whole faeces collection). Cotton seed meal was offered as single feed,
Publicado em: 2006