Last Irrigation
Mostrando 13-24 de 43 artigos, teses e dissertações.
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13. Manejo da irrigacao na cultura do algodoeiro herbaceo em condicoes semi-aridas do nordeste.
Durate quatro anos - 1989/1992 -, foi conduzido um ensaio, num solo aluvial, franco-arenoso, no Projeto de Irrigacao Sao Goncalo, no municipio de Sousa, PB. Objetivou-se estudar o efeito de cinco epocas da ultima irrigacao aos 50 (E), 65 (E2), 80 (E3), 95 (E4) e 110 (E5) dias do ciclo da cultura do algodoeiro herbaceo (Gossypium hirsutum L.r.latifolium Hutch
Pesquisa Agropecuaria Brasileira. Publicado em: 2011
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14. Sistema de produção de mudas de coqueiros híbrido e anão (Cocos nucifera L.) na região do Distrito Federal.
ABSTRACT: The coconut cultivated area has greatly increased in the Federal District Region of Brazil for the last five years. However, the crop management is still poor on seedling production. Therefore, the improvement of production methods has been highly demanded by coconut growers. Coconut seeds (fruits) should be collected from a superior genetic materi
Planaltina: Embrapa Cerrados. Publicado em: 2011
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15. Alocação econômica de recursos naturais no contexto de bacia hidrográfica : aplicação na bacia do rio Sangão em Santa Catarina
The environmental impacts caused by natural resources exploration may cause damages to third parties, since these agents¿ actions harm the environment and, in some cases, make the existence of other activities unfeasible. This context includes coal mining and irrigated rice cropping. Coal mining and beneficiation make possible the contact between water and
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2010
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16. Avaliação in vitro do controle microbiano e da neutralização de endotoxinas presentes em canais radiculares por nanopartículas de prata / Effectiveness of silver nanoparticles on microorganisms and endotoxins in root canals
The objective of this study was to evaluate the antimicrobial effect and endotoxin detoxified of solution of silver nanoparticles used as irrigating and dressing in root canals. Forty-eigth single-root human teeth were used. All root canals sized 16 mm and were enlarged to a Kerr file number .30. Root canals were infected for 28 days with E. coli and for 21
Publicado em: 2010
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17. Historical and member environmental aspects related to the occurrence of schistosomiasis in the municipality of Pindamonhangaba, SP. / Aspectos históricos e sócio ambientais relativos à ocorrência da esquistossomose no município de Pindamonhangaba - SP
The urbanization and the occupation of spaces in a disordered way can contribute for important changes in the environment, favoring the pollution and the use of natural resources, and contributing for the proliferation of some parasitic diseases, in special waterborne and vector-borne diseases. Schistosomiasis, one of these diseases, is caused by a trematode
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 04/03/2009
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18. Influence of protaper finishing files and sodium hypochlorite on cleaning and shaping of mandibuldar central incisors - a histological analysis
OBJECTIVE: This study investigated the influence of the last apical instrument of the ProTaper system with and without 2.5% sodium hypochlorite for cleaning mandibular central incisors. MATERIAL AND METHODS: Thirty two mandibular central incisors were divided into six study groups: Group I - F1 instrument with 2.5% sodium hypochlorite; Group II - F1 and F2 w
Journal of Applied Oral Science. Publicado em: 2009-06
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19. Effect of the water stress in the production of the orange tree in the North of the state of São Paulo / Estudo dos efeitos do déficit hídrico na produção da laranjeira no norte do Estado de São Paulo
The Brazilian citrus industry in recent years, is making a significant leap forward, currently is leading the world production, with emphasis on the state of Sao Paulo that represents 80.50% of the total produced, with an average 25 t ha-1 year1 (IBGE, 2007). Flowering is stimulated by low temperatures and water stress that changes the plant hormonal balance
Publicado em: 2009
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20. IrrigaÃÃo e fertirrigaÃÃo em um sistema de aspersÃo convencional submetido à tÃcnicas de controle estatÃstico de qualidade. / Irrigation and fertigation in sprinkler system submitted to techniques of statistical quality control
The contribution of irrigation in the alimentary supply, is due to the fact of more and more to look for more efficient systems, monitoring the indexes of uniformity of distribution of the water. The application of fertilizers through irrigation water took very big pulse in the last times, mainly due to the emergence of pressurized systems, of the tunnels of
Publicado em: 2008
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21. Evapotranspiração da lima ácida Tahiti(Citrus latifolia Tan.) determinada por lisimetria de pesagem / Evapotranspiration of lime acid "Tahiti" (Citrus latifólia Tan.) determined by a weighing lysimeter
Brazil is the largest world producer of citrus crop, with São Paulo state leading as the largest national producer. Recent studies show that irrigated areas of citrus in the state have been increasing significantly in the last few years. However, lack of information on irrigation management related to this crop is one of the main problems encountered by the
Publicado em: 2008
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22. Dinâmica do uso dos recursos hídricos nas bacias do ribeirão Entre Ribeiros e do rio Preto, afluentes do rio Paracatu / Water resources use dynamics in watersheds of Ribeirão Entre Ribeiros and Rio Preto, tributaries of the Paracatu River
From times past, humanity confronts problems of environmental degradation. The environment, which always performed efficiently its function of filtration, today finds itself excessively overburdened by human activities: it suffers the risk of its resources exhausting, not being able in certain situations to recuperate itself and needing the help of man. Howe
Publicado em: 2008
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23. 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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24. Lodo de indÃstria tÃxtil e Ãgua residuÃria de suinocultura na produÃÃo de mudas de eucalipto / Textile Industry Residue and Wastewader from Swineculture on the production of Eucalyptus Samples
The objective of this work was to evaluate the effects of textile silt, seasoning and irrigation with wastwater from swineactivities on the production of Eucalyptus grandis W, Hill ex Maiden. The treatments were constituted by three factor: quimical season (0, 1 and 2 grams of NPK 14-14 by tube), irrigation (water and remaining wastewater from swine) and sub
Publicado em: 2007