Agriculture Residue
Mostrando 13-24 de 25 artigos, teses e dissertações.
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13. Influência do lodo de esgoto na nodulação e no desenvolvimento do Caupi (Vigna unguiculata "L" Walp)
The intense urban growth, production of domestic and industrial residues has been increased, mainly sewage sludge. This residue has high amount of pathogenic organisms and heavy metals. The viable alternative for this residue destination is its use in agriculture improving the chemical, physical and biological soil characteristics. Allied of the capacity of
Publicado em: 2007
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14. Agrarian soil and sediment redistribution and quality in slopes with riparian forests: a case study for Goiatuba, Brazil / Redistribuição e qualidade de solos e sedimentos agrícolas em vertentes com mata ciliar: estudo de caso em Goiatuba (GO), Brasil
Soil erosion is associated with environmental degradation because of inadequate use of natural resources in modern agriculture, thus promoting in and off-site impacts, represented by soil, water and nutrient losses, silting and contamination of riparian ecosystems. In the Brazilian Cerrado region these impacts become more evident by its fast conversion to ag
Publicado em: 2007
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15. Produção de madeira, ciclagem de nutrientes e fertilidade do solo em plantios de Eucalyptus grandis, após aplicação de lodo de esgoto / Wood production, nutrient cycling and soil fertility in Eucalyptus grandis stand after sewage sludge application
Several Brazilian cities have sewer treatment stations, but a lot of cities do not treat the sewage yet, causing a strong environmental impact, mainly in water courses. The sewer treatment process generates a big amount of sewage sludge, so the final destination must be well studied, because it involves environmental, economic, social and sanitary consequenc
Publicado em: 2007
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16. Estudos funcionais de uma possível cisteíno protease de Xanthomonas axonopodis pv. citri.
Cysteine proteases are enzymes found in many organisms and are characterized by the presence of cysteine residue in their active site. These proteases play an important role in the organism metabolism. In pathogenic organisms, for example, cysteine proteases may be involved in the pathogenicity process by unbalancing of the biological functions of the host (
Publicado em: 2007
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17. Impacts on the soil chemical characteristics and development of amaranth under saline stress and mulch / Impactos do estresse salino e da cobertura morta nas características químicas do solo e no desenvolvimento do amaranto
Availability of good quality water has been reduced vertiginously, over the last decade, in the world. In some regions, the water resources have high concentration of the dissolved salts, these characteristics of the water make its use impossible. Water quality can be a limitation for irrigated agriculture, principally in regions of arid or semiarid climate
Publicado em: 2007
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18. Caracterização química de resíduos da produção de biodiesel compostados com adição mineral / Chemical characterization of residues from biodiesel production composted with mineral addiction
The production of biodiesel has in agriculture its base of sustentation. The culture of sugar cane and oleaginous species as castor oil plant after processing to obtain alcohol and vegetal oil, respectively, generates organic residues. These residues when used in agriculture in the compost form make possible the reduction of production costs and increase of
Publicado em: 2006
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19. Quality of yellow passion fruit silage in the pure forms and in mixture with additives. / Qualidade da silagem do resÃduo do fruto de maracujà amarelo nas formas pura e em mistura com aditivos
Brazil possesses a huge amount of residues and by-products of agriculture and of agroindustry with potential of use in ruminant feeding. A few limitations may cause some of these additives to have a more restricted utilization, among them the low percentage of DM, which impairs ensiling process, demanding the adoption of procedures which modify that picture
Publicado em: 2005
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20. Triple rinse efficiency at received containers in pesticide containers collection units / Eficiencia da triplice lavagem em unidades de recebimento de embalagens de agrotoxicos
Pesticide formulations have been used in agriculture worldwide to protect the crops and soils from the attack of any pest. These formulations must be stored in safe containers proper to each kind of product. After use, the empty containers contaminated with pesticide residues must be disposed correctly and safely by triple rinse, the technical legislation re
Publicado em: 2005
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21. Utilização do conceito de fugacidade na previsão do comportamento ambiental do carbosulfan e do carbofuran na cultura do arroz irrigado
Pesticide use to control pests, diseases and weeds is steadily increasing due to a general food demand increase, cropping area limitation, and manpower availability. Pesticide application without a sound knowledge may hazard environment and human health. Regulatory agencies enforces that, before a new product releasing to the market for agricultural use, int
Publicado em: 2005
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22. Deltamethrin residues applied in different formulations, in staked cucumber (Cucumis sativus L.) crop compartments and the insecticide action on the control of the pickleworm, Diaphania nitidalis (Cramer, 1782) (Lepidoptera: Crambidae). / Resíduos de deltametrina, aplicada em diferentes formulações, em compartimentos da cultura do pepino (Cucumis sativus L.) tutorado e ação do inseticida no controle da broca-das-cucurbitáceas Diaphania nitidalis (Cramer, 1782) (Lepidoptera: Crambidae).
The agriculture development, the modernization of cultivation means, trying to meet a demanding market, has been based on the use of agricultural supplies to assure a high quality and quantity production. Such crops demand the use of pesticides, whose residues, especially in fruit and vegetable production, raise worries about the consumers health and of th
Publicado em: 2004
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23. Yield of stalks and exportation of major nutrients by sugarcane (saccharum spp.) varieties. / Produção de colmos e exportação de macronutrientes primários por cultivares de cana-de-açúcar (Saccharum spp.).
The vinasse, a residue of sugarcane processing, can be an environmental risk. It is a potassium source that can be used for fertilization on sugarcane, which is a very important crop in Brazilian agriculture. The selection of varieties that shows high sugar yield per area unit and the determination of the amount of major nutrients in this crop has importance
Publicado em: 2003
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24. Dinamica da remoção de nutrientes em alagados construidos comTypha sp
The study of the use of wetlands it supplies the possibility of treatments of residues of a natural and efficient form, promoting one better exploitation of the environment resources. The project that used the system of wetlands developed in the experimental field of the College of Agriculture Engineering (FEAGRI) had as objective to evaluate the degree of f
Publicado em: 2003